diff --git a/.github/workflows/ci-workflow.yml b/.github/workflows/ci-workflow.yml
index 9772e2e..d03c533 100644
--- a/.github/workflows/ci-workflow.yml
+++ b/.github/workflows/ci-workflow.yml
@@ -96,6 +96,7 @@ jobs:
         echo "$PWD/install-Debug/bin" >> $GITHUB_PATH
         echo "DYLD_LIBRARY_PATH=$PWD/install-Debug/lib:$DYLD_LIBRARY_PATH" >> $GITHUB_ENV
         cmake --version
+        system_profiler SPHardwareDataType
 
     - name: Build
       run: sh toucan/sbuild-macos.sh Debug
@@ -124,6 +125,7 @@ jobs:
         echo "$PWD/install-Debug/bin" >> $GITHUB_PATH
         echo "DYLD_LIBRARY_PATH=$PWD/install-Debug/lib:$DYLD_LIBRARY_PATH" >> $GITHUB_ENV
         cmake --version
+        system_profiler SPHardwareDataType
 
     - name: Build
       run: bash toucan/sbuild-macos.sh
diff --git a/CMakeLists.txt b/CMakeLists.txt
index e980582..75f65c1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,7 +68,7 @@ find_package(OpenColorIO)
 find_package(OpenImageIO)
 find_package(OpenFX)
 find_package(OpenTimelineIO)
-find_package(feather-tk)
+find_package(ftk)
 
 include_directories(lib)
 include_directories(tests)
diff --git a/bin/toucan-filmstrip/App.cpp b/bin/toucan-filmstrip/App.cpp
index 1b9b37e..fb19d48 100644
--- a/bin/toucan-filmstrip/App.cpp
+++ b/bin/toucan-filmstrip/App.cpp
@@ -5,7 +5,7 @@
 
 #include <toucanRender/Util.h>
 
-#include <feather-tk/core/Time.h>
+#include <ftk/Core/Time.h>
 
 #include <OpenImageIO/imagebufalgo.h>
 
diff --git a/bin/toucan-filmstrip/App.h b/bin/toucan-filmstrip/App.h
index 5120d04..f3fac70 100644
--- a/bin/toucan-filmstrip/App.h
+++ b/bin/toucan-filmstrip/App.h
@@ -7,8 +7,8 @@
 #include <toucanRender/ImageGraph.h>
 #include <toucanRender/TimelineWrapper.h>
 
-#include <feather-tk/core/IApp.h>
-#include <feather-tk/core/CmdLine.h>
+#include <ftk/Core/IApp.h>
+#include <ftk/Core/CmdLine.h>
 
 #include <OpenImageIO/imagebuf.h>
 
diff --git a/bin/toucan-filmstrip/main.cpp b/bin/toucan-filmstrip/main.cpp
index ef38161..91c82c8 100644
--- a/bin/toucan-filmstrip/main.cpp
+++ b/bin/toucan-filmstrip/main.cpp
@@ -3,7 +3,7 @@
 
 #include "App.h"
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 #include <iostream>
 
diff --git a/bin/toucan-render/App.cpp b/bin/toucan-render/App.cpp
index dc7ff2f..83f658e 100644
--- a/bin/toucan-render/App.cpp
+++ b/bin/toucan-render/App.cpp
@@ -7,7 +7,7 @@
 #include <toucanRender/Read.h>
 #include <toucanRender/Util.h>
 
-#include <feather-tk/core/Time.h>
+#include <ftk/Core/Time.h>
 
 #include <OpenImageIO/imagebufalgo.h>
 
diff --git a/bin/toucan-render/App.h b/bin/toucan-render/App.h
index 8a1dc2d..c73a206 100644
--- a/bin/toucan-render/App.h
+++ b/bin/toucan-render/App.h
@@ -7,8 +7,8 @@
 #include <toucanRender/ImageGraph.h>
 #include <toucanRender/TimelineWrapper.h>
 
-#include <feather-tk/core/CmdLine.h>
-#include <feather-tk/core/IApp.h>
+#include <ftk/Core/CmdLine.h>
+#include <ftk/Core/IApp.h>
 
 #include <OpenImageIO/imagebuf.h>
 
diff --git a/bin/toucan-render/main.cpp b/bin/toucan-render/main.cpp
index 2e653a8..9d07b0c 100644
--- a/bin/toucan-render/main.cpp
+++ b/bin/toucan-render/main.cpp
@@ -3,7 +3,7 @@
 
 #include "App.h"
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 #include <iostream>
 
diff --git a/bin/toucan-view/main.cpp b/bin/toucan-view/main.cpp
index d74c1e7..f891482 100644
--- a/bin/toucan-view/main.cpp
+++ b/bin/toucan-view/main.cpp
@@ -3,7 +3,7 @@
 
 #include "toucanView/App.h"
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 #include <iostream>
 
diff --git a/cmake/SuperBuild/Buildfeather-tk.cmake b/cmake/SuperBuild/Buildfeather-tk.cmake
index 159358e..90da47a 100644
--- a/cmake/SuperBuild/Buildfeather-tk.cmake
+++ b/cmake/SuperBuild/Buildfeather-tk.cmake
@@ -1,7 +1,7 @@
 include(ExternalProject)
 
 set(ftk_GIT_REPOSITORY "https://github.com/darbyjohnston/feather-tk.git")
-set(ftk_GIT_TAG "038196681ad5825c431f7da22ff4d873c82b3acd")
+set(ftk_GIT_TAG "d3d0eed9f1a77782f56d4ce3f74eb2260c0b49ca")
 
 set(ftk_DEPS ZLIB nlohmann_json PNG Freetype lunasvg)
 
diff --git a/lib/toucanRender/CMakeLists.txt b/lib/toucanRender/CMakeLists.txt
index b2199c0..02aa75c 100644
--- a/lib/toucanRender/CMakeLists.txt
+++ b/lib/toucanRender/CMakeLists.txt
@@ -46,7 +46,7 @@ endif()
 add_library(toucanRender ${HEADERS} ${HEADERS_PRIVATE} ${SOURCE})
 set(LIBS_PUBLIC
     toucanResource
-    ftk::feather-tk-core
+    ftk::ftkCore
     OTIO::opentimelineio
     OTIO::opentime
     lunasvg::lunasvg
diff --git a/lib/toucanRender/FFmpegRead.cpp b/lib/toucanRender/FFmpegRead.cpp
index 32e1034..a945fa1 100644
--- a/lib/toucanRender/FFmpegRead.cpp
+++ b/lib/toucanRender/FFmpegRead.cpp
@@ -3,7 +3,7 @@
 
 #include "FFmpegRead.h"
 
-#include <feather-tk/core/String.h>
+#include <ftk/Core/String.h>
 
 #include <iostream>
 #include <sstream>
diff --git a/lib/toucanRender/FFmpegWrite.cpp b/lib/toucanRender/FFmpegWrite.cpp
index 7976c27..b1942b4 100644
--- a/lib/toucanRender/FFmpegWrite.cpp
+++ b/lib/toucanRender/FFmpegWrite.cpp
@@ -5,7 +5,7 @@
 
 #include <OpenImageIO/imagebufalgo.h>
 
-#include <feather-tk/core/Time.h>
+#include <ftk/Core/Time.h>
 
 #include <iostream>
 #include <sstream>
diff --git a/lib/toucanRender/ImageEffectHost.cpp b/lib/toucanRender/ImageEffectHost.cpp
index bf322ef..62ae66c 100644
--- a/lib/toucanRender/ImageEffectHost.cpp
+++ b/lib/toucanRender/ImageEffectHost.cpp
@@ -5,7 +5,7 @@
 
 #include "ImageEffect.h"
 
-#include <feather-tk/core/LogSystem.h>
+#include <ftk/Core/LogSystem.h>
 
 #include <cstdarg>
 #include <cstring>
diff --git a/lib/toucanRender/ImageEffectHost.h b/lib/toucanRender/ImageEffectHost.h
index c459197..554a077 100644
--- a/lib/toucanRender/ImageEffectHost.h
+++ b/lib/toucanRender/ImageEffectHost.h
@@ -5,7 +5,7 @@
 
 #include <toucanRender/ImageEffect.h>
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 #include <OpenImageIO/imagebuf.h>
 
diff --git a/lib/toucanRender/ImageGraph.cpp b/lib/toucanRender/ImageGraph.cpp
index d6c1545..ee074a0 100644
--- a/lib/toucanRender/ImageGraph.cpp
+++ b/lib/toucanRender/ImageGraph.cpp
@@ -10,7 +10,7 @@
 #include "TimelineAlgo.h"
 #include "Util.h"
 
-#include <feather-tk/core/LogSystem.h>
+#include <ftk/Core/LogSystem.h>
 
 #include <opentimelineio/clip.h>
 #include <opentimelineio/externalReference.h>
diff --git a/lib/toucanRender/ImageGraph.h b/lib/toucanRender/ImageGraph.h
index 246732d..7bd4672 100644
--- a/lib/toucanRender/ImageGraph.h
+++ b/lib/toucanRender/ImageGraph.h
@@ -6,8 +6,8 @@
 #include <toucanRender/ImageNode.h>
 #include <toucanRender/TimelineWrapper.h>
 
-#include <feather-tk/core/Context.h>
-#include <feather-tk/core/LRUCache.h>
+#include <ftk/Core/Context.h>
+#include <ftk/Core/LRUCache.h>
 
 #include <opentimelineio/track.h>
 #include <opentimelineio/transition.h>
diff --git a/lib/toucanRender/TimelineWrapper.cpp b/lib/toucanRender/TimelineWrapper.cpp
index 5ed2c5d..18ba432 100644
--- a/lib/toucanRender/TimelineWrapper.cpp
+++ b/lib/toucanRender/TimelineWrapper.cpp
@@ -7,7 +7,7 @@
 
 #include <toucanRender/Read.h>
 
-#include <feather-tk/core/String.h>
+#include <ftk/Core/String.h>
 
 #include <opentimelineio/clip.h>
 #include <opentimelineio/externalReference.h>
diff --git a/lib/toucanResource/CMakeLists.txt b/lib/toucanResource/CMakeLists.txt
index 926e01a..c4fdcbe 100644
--- a/lib/toucanResource/CMakeLists.txt
+++ b/lib/toucanResource/CMakeLists.txt
@@ -6,7 +6,7 @@ foreach(RESOURCE ${RESOURCES})
     get_filename_component(RESOURCE_BASE ${RESOURCE} NAME_WE)
     add_custom_command(
         OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${RESOURCE_BASE}.cpp
-        COMMAND $<TARGET_FILE:ftk::feather-tk-resource> ${CMAKE_SOURCE_DIR}/${RESOURCE} ${RESOURCE_BASE} toucan_resource
+        COMMAND $<TARGET_FILE:ftk::ftk-resource> ${CMAKE_SOURCE_DIR}/${RESOURCE} ${RESOURCE_BASE} toucan_resource
         DEPENDS ${CMAKE_SOURCE_DIR}/${RESOURCE})
     list(APPEND SOURCE ${CMAKE_CURRENT_BINARY_DIR}/${RESOURCE_BASE}.cpp)
 endforeach()
diff --git a/lib/toucanView/App.cpp b/lib/toucanView/App.cpp
index 9bbe3cb..8cc76c1 100644
--- a/lib/toucanView/App.cpp
+++ b/lib/toucanView/App.cpp
@@ -11,12 +11,12 @@
 
 #include <toucanRender/Util.h>
 
-#include <feather-tk/ui/DialogSystem.h>
-#include <feather-tk/ui/FileBrowser.h>
-#include <feather-tk/ui/MessageDialog.h>
-#include <feather-tk/ui/Settings.h>
+#include <ftk/Ui/DialogSystem.h>
+#include <ftk/Ui/FileBrowser.h>
+#include <ftk/Ui/MessageDialog.h>
+#include <ftk/Ui/Settings.h>
 
-#include <feather-tk/core/CmdLine.h>
+#include <ftk/Core/CmdLine.h>
 
 #include <nlohmann/json.hpp>
 
diff --git a/lib/toucanView/App.h b/lib/toucanView/App.h
index 79f2812..55cdf74 100644
--- a/lib/toucanView/App.h
+++ b/lib/toucanView/App.h
@@ -3,8 +3,8 @@
 
 #pragma once
 
-#include <feather-tk/ui/App.h>
-#include <feather-tk/ui/Settings.h>
+#include <ftk/Ui/App.h>
+#include <ftk/Ui/Settings.h>
 
 #include <filesystem>
 
diff --git a/lib/toucanView/AudioClipItem.cpp b/lib/toucanView/AudioClipItem.cpp
index 5138422..756df64 100644
--- a/lib/toucanView/AudioClipItem.cpp
+++ b/lib/toucanView/AudioClipItem.cpp
@@ -8,7 +8,7 @@
 
 #include <toucanRender/Util.h>
 
-#include <feather-tk/ui/DrawUtil.h>
+#include <ftk/Ui/DrawUtil.h>
 
 #include <opentimelineio/externalReference.h>
 
diff --git a/lib/toucanView/AudioClipItem.h b/lib/toucanView/AudioClipItem.h
index 762b972..bd20959 100644
--- a/lib/toucanView/AudioClipItem.h
+++ b/lib/toucanView/AudioClipItem.h
@@ -7,7 +7,7 @@
 #include <toucanView/ItemLabel.h>
 #include <toucanView/MarkerItem.h>
 
-#include <feather-tk/ui/RowLayout.h>
+#include <ftk/Ui/RowLayout.h>
 
 #include <opentimelineio/clip.h>
 
diff --git a/lib/toucanView/BackgroundTool.cpp b/lib/toucanView/BackgroundTool.cpp
index d31f3a0..9d4a91e 100644
--- a/lib/toucanView/BackgroundTool.cpp
+++ b/lib/toucanView/BackgroundTool.cpp
@@ -5,10 +5,10 @@
 
 #include "App.h"
 
-#include <feather-tk/ui/Divider.h>
-#include <feather-tk/ui/Label.h>
-#include <feather-tk/ui/Spacer.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Ui/Divider.h>
+#include <ftk/Ui/Label.h>
+#include <ftk/Ui/Spacer.h>
+#include <ftk/Core/String.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/BackgroundTool.h b/lib/toucanView/BackgroundTool.h
index 5a6db37..6c00196 100644
--- a/lib/toucanView/BackgroundTool.h
+++ b/lib/toucanView/BackgroundTool.h
@@ -7,11 +7,11 @@
 #include <toucanView/ViewModel.h>
 #include <toucanView/IToolWidget.h>
 
-#include <feather-tk/ui/ColorWidget.h>
-#include <feather-tk/ui/ComboBox.h>
-#include <feather-tk/ui/IntEditSlider.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ScrollWidget.h>
+#include <ftk/Ui/ColorWidget.h>
+#include <ftk/Ui/ComboBox.h>
+#include <ftk/Ui/IntEditSlider.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ScrollWidget.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/CMakeLists.txt b/lib/toucanView/CMakeLists.txt
index 189ea37..795cbf7 100644
--- a/lib/toucanView/CMakeLists.txt
+++ b/lib/toucanView/CMakeLists.txt
@@ -99,6 +99,6 @@ set(SOURCE
     WindowToolBar.cpp)
 
 add_library(toucanView ${HEADERS} ${SOURCE})
-target_link_libraries(toucanView PUBLIC toucanRender ftk::feather-tk-ui)
+target_link_libraries(toucanView PUBLIC toucanRender ftk::ftkUi)
 set_target_properties(toucanView PROPERTIES FOLDER lib)
 add_dependencies(toucanView ${TOUCAN_PLUGINS})
diff --git a/lib/toucanView/CompareMenu.cpp b/lib/toucanView/CompareMenu.cpp
index a6728a3..5968359 100644
--- a/lib/toucanView/CompareMenu.cpp
+++ b/lib/toucanView/CompareMenu.cpp
@@ -5,7 +5,7 @@
 
 #include "App.h"
 
-#include <feather-tk/ui/Action.h>
+#include <ftk/Ui/Action.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/CompareMenu.h b/lib/toucanView/CompareMenu.h
index c86b9db..ea51ab3 100644
--- a/lib/toucanView/CompareMenu.h
+++ b/lib/toucanView/CompareMenu.h
@@ -5,7 +5,7 @@
 
 #include <toucanView/FilesModel.h>
 
-#include <feather-tk/ui/Menu.h>
+#include <ftk/Ui/Menu.h>
 
 #include <map>
 
diff --git a/lib/toucanView/CompareTool.cpp b/lib/toucanView/CompareTool.cpp
index 5c18745..7a5e7c3 100644
--- a/lib/toucanView/CompareTool.cpp
+++ b/lib/toucanView/CompareTool.cpp
@@ -6,10 +6,10 @@
 #include "App.h"
 #include "SelectionModel.h"
 
-#include <feather-tk/ui/Divider.h>
-#include <feather-tk/ui/Label.h>
-#include <feather-tk/ui/Spacer.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Ui/Divider.h>
+#include <ftk/Ui/Label.h>
+#include <ftk/Ui/Spacer.h>
+#include <ftk/Core/String.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/CompareTool.h b/lib/toucanView/CompareTool.h
index eee5528..5c01400 100644
--- a/lib/toucanView/CompareTool.h
+++ b/lib/toucanView/CompareTool.h
@@ -6,13 +6,13 @@
 #include <toucanView/FilesModel.h>
 #include <toucanView/IToolWidget.h>
 
-#include <feather-tk/ui/CheckBox.h>
-#include <feather-tk/ui/ComboBox.h>
-#include <feather-tk/ui/GridLayout.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ScrollWidget.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Ui/CheckBox.h>
+#include <ftk/Ui/ComboBox.h>
+#include <ftk/Ui/GridLayout.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ScrollWidget.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/ObservableList.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/DetailsTool.cpp b/lib/toucanView/DetailsTool.cpp
index 4b08896..66a998c 100644
--- a/lib/toucanView/DetailsTool.cpp
+++ b/lib/toucanView/DetailsTool.cpp
@@ -7,10 +7,10 @@
 #include "FilesModel.h"
 #include "PlaybackModel.h"
 
-#include <feather-tk/ui/Divider.h>
-#include <feather-tk/ui/Spacer.h>
-#include <feather-tk/core/Format.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Ui/Divider.h>
+#include <ftk/Ui/Spacer.h>
+#include <ftk/Core/Format.h>
+#include <ftk/Core/String.h>
 
 #include <opentimelineio/marker.h>
 
diff --git a/lib/toucanView/DetailsTool.h b/lib/toucanView/DetailsTool.h
index a5fc5c0..4052f07 100644
--- a/lib/toucanView/DetailsTool.h
+++ b/lib/toucanView/DetailsTool.h
@@ -9,16 +9,16 @@
 
 #include <toucanRender/ImageGraph.h>
 
-#include <feather-tk/ui/Bellows.h>
-#include <feather-tk/ui/ButtonGroup.h>
-#include <feather-tk/ui/GridLayout.h>
-#include <feather-tk/ui/Label.h>
-#include <feather-tk/ui/PushButton.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ScrollWidget.h>
-#include <feather-tk/ui/SearchBox.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Ui/Bellows.h>
+#include <ftk/Ui/ButtonGroup.h>
+#include <ftk/Ui/GridLayout.h>
+#include <ftk/Ui/Label.h>
+#include <ftk/Ui/PushButton.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ScrollWidget.h>
+#include <ftk/Ui/SearchBox.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/ObservableList.h>
 
 #include <utility>
 
diff --git a/lib/toucanView/ExportTool.cpp b/lib/toucanView/ExportTool.cpp
index 921a397..0e49be9 100644
--- a/lib/toucanView/ExportTool.cpp
+++ b/lib/toucanView/ExportTool.cpp
@@ -9,12 +9,12 @@
 
 #include <toucanRender/Util.h>
 
-#include <feather-tk/ui/DialogSystem.h>
-#include <feather-tk/ui/GridLayout.h>
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/ui/Window.h>
-#include <feather-tk/core/Context.h>
-#include <feather-tk/core/Format.h>
+#include <ftk/Ui/DialogSystem.h>
+#include <ftk/Ui/GridLayout.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Ui/Window.h>
+#include <ftk/Core/Context.h>
+#include <ftk/Core/Format.h>
 
 #include <OpenImageIO/imagebufalgo.h>
 
diff --git a/lib/toucanView/ExportTool.h b/lib/toucanView/ExportTool.h
index 61266d6..e27e8c7 100644
--- a/lib/toucanView/ExportTool.h
+++ b/lib/toucanView/ExportTool.h
@@ -8,20 +8,20 @@
 #include <toucanRender/FFmpegWrite.h>
 #include <toucanRender/ImageGraph.h>
 
-#include <feather-tk/ui/ComboBox.h>
-#include <feather-tk/ui/Divider.h>
-#include <feather-tk/ui/FileEdit.h>
-#include <feather-tk/ui/IntEdit.h>
-#include <feather-tk/ui/Label.h>
-#include <feather-tk/ui/LineEdit.h>
-#include <feather-tk/ui/ProgressDialog.h>
-#include <feather-tk/ui/PushButton.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ScrollWidget.h>
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/ui/TabWidget.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/Timer.h>
+#include <ftk/Ui/ComboBox.h>
+#include <ftk/Ui/Divider.h>
+#include <ftk/Ui/FileEdit.h>
+#include <ftk/Ui/IntEdit.h>
+#include <ftk/Ui/Label.h>
+#include <ftk/Ui/LineEdit.h>
+#include <ftk/Ui/ProgressDialog.h>
+#include <ftk/Ui/PushButton.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ScrollWidget.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Ui/TabWidget.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/Timer.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/File.cpp b/lib/toucanView/File.cpp
index c8d53e9..8410f96 100644
--- a/lib/toucanView/File.cpp
+++ b/lib/toucanView/File.cpp
@@ -9,7 +9,7 @@
 
 #include <toucanRender/TimelineWrapper.h>
 
-#include <feather-tk/core/Math.h>
+#include <ftk/Core/Math.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/File.h b/lib/toucanView/File.h
index 9dd210d..c8c1613 100644
--- a/lib/toucanView/File.h
+++ b/lib/toucanView/File.h
@@ -7,9 +7,9 @@
 #include <toucanRender/ImageGraph.h>
 #include <toucanRender/TimelineWrapper.h>
 
-#include <feather-tk/core/Context.h>
-#include <feather-tk/core/Image.h>
-#include <feather-tk/core/ObservableValue.h>
+#include <ftk/Core/Context.h>
+#include <ftk/Core/Image.h>
+#include <ftk/Core/ObservableValue.h>
 
 #include <filesystem>
 
diff --git a/lib/toucanView/FileMenu.cpp b/lib/toucanView/FileMenu.cpp
index 40c6e1a..46bf253 100644
--- a/lib/toucanView/FileMenu.cpp
+++ b/lib/toucanView/FileMenu.cpp
@@ -10,10 +10,10 @@
 
 #include <toucanRender/Read.h>
 
-#include <feather-tk/ui/Action.h>
-#include <feather-tk/ui/FileBrowser.h>
-#include <feather-tk/ui/RecentFilesModel.h>
-#include <feather-tk/core/Format.h>
+#include <ftk/Ui/Action.h>
+#include <ftk/Ui/FileBrowser.h>
+#include <ftk/Ui/RecentFilesModel.h>
+#include <ftk/Core/Format.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/FileMenu.h b/lib/toucanView/FileMenu.h
index 0f59dff..a5226e7 100644
--- a/lib/toucanView/FileMenu.h
+++ b/lib/toucanView/FileMenu.h
@@ -3,9 +3,9 @@
 
 #pragma once
 
-#include <feather-tk/ui/Menu.h>
-#include <feather-tk/core/ObservableList.h>
-#include <feather-tk/core/ObservableValue.h>
+#include <ftk/Ui/Menu.h>
+#include <ftk/Core/ObservableList.h>
+#include <ftk/Core/ObservableValue.h>
 
 #include <filesystem>
 #include <map>
diff --git a/lib/toucanView/FileTab.h b/lib/toucanView/FileTab.h
index d80f5c7..60777b4 100644
--- a/lib/toucanView/FileTab.h
+++ b/lib/toucanView/FileTab.h
@@ -5,7 +5,7 @@
 
 #include <toucanView/ViewModel.h>
 
-#include <feather-tk/ui/IWidget.h>
+#include <ftk/Ui/IWidget.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/FileToolBar.h b/lib/toucanView/FileToolBar.h
index 3779dd2..d972fb2 100644
--- a/lib/toucanView/FileToolBar.h
+++ b/lib/toucanView/FileToolBar.h
@@ -3,10 +3,10 @@
 
 #pragma once
 
-#include <feather-tk/ui/Action.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Ui/Action.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/ObservableList.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/FilesModel.cpp b/lib/toucanView/FilesModel.cpp
index 95923f1..4ba00f1 100644
--- a/lib/toucanView/FilesModel.cpp
+++ b/lib/toucanView/FilesModel.cpp
@@ -5,9 +5,9 @@
 
 #include "PlaybackModel.h"
 
-#include <feather-tk/core/Error.h>
-#include <feather-tk/core/Math.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Core/Error.h>
+#include <ftk/Core/Math.h>
+#include <ftk/Core/String.h>
 
 #include <nlohmann/json.hpp>
 
diff --git a/lib/toucanView/FilesModel.h b/lib/toucanView/FilesModel.h
index d913470..776ba1e 100644
--- a/lib/toucanView/FilesModel.h
+++ b/lib/toucanView/FilesModel.h
@@ -6,11 +6,11 @@
 #include <toucanView/File.h>
 #include <toucanView/PlaybackModel.h>
 
-#include <feather-tk/ui/RecentFilesModel.h>
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/core/Context.h>
-#include <feather-tk/core/ObservableList.h>
-#include <feather-tk/core/ObservableValue.h>
+#include <ftk/Ui/RecentFilesModel.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Core/Context.h>
+#include <ftk/Core/ObservableList.h>
+#include <ftk/Core/ObservableValue.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/GapItem.cpp b/lib/toucanView/GapItem.cpp
index 1090b31..1a9e819 100644
--- a/lib/toucanView/GapItem.cpp
+++ b/lib/toucanView/GapItem.cpp
@@ -5,7 +5,7 @@
 
 #include "File.h"
 
-#include <feather-tk/ui/DrawUtil.h>
+#include <ftk/Ui/DrawUtil.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/GapItem.h b/lib/toucanView/GapItem.h
index f52c749..58b36a8 100644
--- a/lib/toucanView/GapItem.h
+++ b/lib/toucanView/GapItem.h
@@ -5,7 +5,7 @@
 
 #include <toucanView/MarkerItem.h>
 
-#include <feather-tk/ui/RowLayout.h>
+#include <ftk/Ui/RowLayout.h>
 
 #include <opentimelineio/gap.h>
 
diff --git a/lib/toucanView/GraphTool.cpp b/lib/toucanView/GraphTool.cpp
index b7918b5..aa63ad8 100644
--- a/lib/toucanView/GraphTool.cpp
+++ b/lib/toucanView/GraphTool.cpp
@@ -6,7 +6,7 @@
 #include "App.h"
 #include "FilesModel.h"
 
-#include <feather-tk/ui/Spacer.h>
+#include <ftk/Ui/Spacer.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/GraphTool.h b/lib/toucanView/GraphTool.h
index 8c516b3..eb49b9f 100644
--- a/lib/toucanView/GraphTool.h
+++ b/lib/toucanView/GraphTool.h
@@ -7,10 +7,10 @@
 
 #include <toucanRender/ImageGraph.h>
 
-#include <feather-tk/ui/ButtonGroup.h>
-#include <feather-tk/ui/PushButton.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ScrollWidget.h>
+#include <ftk/Ui/ButtonGroup.h>
+#include <ftk/Ui/PushButton.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ScrollWidget.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/HUDWidget.cpp b/lib/toucanView/HUDWidget.cpp
index 54e3216..49d4741 100644
--- a/lib/toucanView/HUDWidget.cpp
+++ b/lib/toucanView/HUDWidget.cpp
@@ -6,8 +6,8 @@
 #include "App.h"
 #include "FilesModel.h"
 
-#include <feather-tk/ui/Spacer.h>
-#include <feather-tk/core/Format.h>
+#include <ftk/Ui/Spacer.h>
+#include <ftk/Core/Format.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/HUDWidget.h b/lib/toucanView/HUDWidget.h
index 9013f11..c30b1df 100644
--- a/lib/toucanView/HUDWidget.h
+++ b/lib/toucanView/HUDWidget.h
@@ -5,8 +5,8 @@
 
 #include <toucanView/PlaybackModel.h>
 
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/Label.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/Label.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/IItem.h b/lib/toucanView/IItem.h
index 6a80ef8..bf13186 100644
--- a/lib/toucanView/IItem.h
+++ b/lib/toucanView/IItem.h
@@ -7,9 +7,9 @@
 #include <toucanView/TimeLayout.h>
 #include <toucanView/TimeUnitsModel.h>
 
-#include <feather-tk/ui/IWidget.h>
-#include <feather-tk/ui/Menu.h>
-#include <feather-tk/core/LRUCache.h>
+#include <ftk/Ui/IWidget.h>
+#include <ftk/Ui/Menu.h>
+#include <ftk/Core/LRUCache.h>
 
 #include <opentimelineio/timeline.h>
 
diff --git a/lib/toucanView/IToolWidget.h b/lib/toucanView/IToolWidget.h
index e986d56..7dae14a 100644
--- a/lib/toucanView/IToolWidget.h
+++ b/lib/toucanView/IToolWidget.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/ui/IWidget.h>
+#include <ftk/Ui/IWidget.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/InfoBar.cpp b/lib/toucanView/InfoBar.cpp
index bfcb94b..3cf7eee 100644
--- a/lib/toucanView/InfoBar.cpp
+++ b/lib/toucanView/InfoBar.cpp
@@ -6,7 +6,7 @@
 #include "App.h"
 #include "FilesModel.h"
 
-#include <feather-tk/core/Format.h>
+#include <ftk/Core/Format.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/InfoBar.h b/lib/toucanView/InfoBar.h
index bb86c65..75232a9 100644
--- a/lib/toucanView/InfoBar.h
+++ b/lib/toucanView/InfoBar.h
@@ -3,11 +3,11 @@
 
 #pragma once
 
-#include <feather-tk/ui/Action.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/Label.h>
+#include <ftk/Ui/Action.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/Label.h>
 
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Core/ObservableList.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/ItemLabel.h b/lib/toucanView/ItemLabel.h
index 3401971..1627535 100644
--- a/lib/toucanView/ItemLabel.h
+++ b/lib/toucanView/ItemLabel.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/ui/IWidget.h>
+#include <ftk/Ui/IWidget.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/JSONTool.cpp b/lib/toucanView/JSONTool.cpp
index 5f9d927..ccd3523 100644
--- a/lib/toucanView/JSONTool.cpp
+++ b/lib/toucanView/JSONTool.cpp
@@ -6,11 +6,11 @@
 #include "App.h"
 #include "FilesModel.h"
 
-#include <feather-tk/ui/Divider.h>
-#include <feather-tk/ui/Spacer.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/Format.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Ui/Divider.h>
+#include <ftk/Ui/Spacer.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/Format.h>
+#include <ftk/Core/String.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/JSONTool.h b/lib/toucanView/JSONTool.h
index 1162efd..360056f 100644
--- a/lib/toucanView/JSONTool.h
+++ b/lib/toucanView/JSONTool.h
@@ -6,13 +6,13 @@
 #include <toucanView/IToolWidget.h>
 #include <toucanView/SelectionModel.h>
 
-#include <feather-tk/ui/Bellows.h>
-#include <feather-tk/ui/Label.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ScrollWidget.h>
-#include <feather-tk/ui/SearchBox.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Ui/Bellows.h>
+#include <ftk/Ui/Label.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ScrollWidget.h>
+#include <ftk/Ui/SearchBox.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/ObservableList.h>
 
 #include <opentimelineio/item.h>
 
diff --git a/lib/toucanView/LogTool.cpp b/lib/toucanView/LogTool.cpp
index 787bd1d..3148457 100644
--- a/lib/toucanView/LogTool.cpp
+++ b/lib/toucanView/LogTool.cpp
@@ -5,9 +5,9 @@
 
 #include "App.h"
 
-#include <feather-tk/ui/Divider.h>
-#include <feather-tk/ui/Spacer.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Ui/Divider.h>
+#include <ftk/Ui/Spacer.h>
+#include <ftk/Core/String.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/LogTool.h b/lib/toucanView/LogTool.h
index e70c851..6c14397 100644
--- a/lib/toucanView/LogTool.h
+++ b/lib/toucanView/LogTool.h
@@ -5,12 +5,12 @@
 
 #include <toucanView/IToolWidget.h>
 
-#include <feather-tk/ui/Label.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ScrollWidget.h>
-#include <feather-tk/ui/SearchBox.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/LogSystem.h>
+#include <ftk/Ui/Label.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ScrollWidget.h>
+#include <ftk/Ui/SearchBox.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/LogSystem.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/MainWindow.cpp b/lib/toucanView/MainWindow.cpp
index 3586bc6..6cd3379 100644
--- a/lib/toucanView/MainWindow.cpp
+++ b/lib/toucanView/MainWindow.cpp
@@ -19,10 +19,10 @@
 #include "TimelineWidget.h"
 #include "ToolBar.h"
 
-#include <feather-tk/ui/DialogSystem.h>
-#include <feather-tk/ui/MessageDialog.h>
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Ui/DialogSystem.h>
+#include <ftk/Ui/MessageDialog.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Core/String.h>
 
 #include <nlohmann/json.hpp>
 
@@ -119,7 +119,7 @@ namespace toucan
         _infoBar = InfoBar::create(context, app, _layout);
 
         std::weak_ptr<App> appWeak(app);
-        _tabWidget->setTabCallback(
+        _tabWidget->setCurrentTabCallback(
             [appWeak](int index)
             {
                 if (auto app = appWeak.lock())
diff --git a/lib/toucanView/MainWindow.h b/lib/toucanView/MainWindow.h
index 33efbab..bcc9a4a 100644
--- a/lib/toucanView/MainWindow.h
+++ b/lib/toucanView/MainWindow.h
@@ -5,12 +5,12 @@
 
 #include <toucanView/WindowModel.h>
 
-#include <feather-tk/ui/Divider.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/Splitter.h>
-#include <feather-tk/ui/TabWidget.h>
-#include <feather-tk/ui/Window.h>
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Ui/Divider.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/Splitter.h>
+#include <ftk/Ui/TabWidget.h>
+#include <ftk/Ui/Window.h>
+#include <ftk/Core/ObservableList.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/MarkerItem.cpp b/lib/toucanView/MarkerItem.cpp
index 2653e81..a238322 100644
--- a/lib/toucanView/MarkerItem.cpp
+++ b/lib/toucanView/MarkerItem.cpp
@@ -3,7 +3,7 @@
 
 #include "MarkerItem.h"
 
-#include <feather-tk/ui/DrawUtil.h>
+#include <ftk/Ui/DrawUtil.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/MarkerItem.h b/lib/toucanView/MarkerItem.h
index fb3fe05..38d29e9 100644
--- a/lib/toucanView/MarkerItem.h
+++ b/lib/toucanView/MarkerItem.h
@@ -6,7 +6,7 @@
 #include <toucanView/IItem.h>
 #include <toucanView/ItemLabel.h>
 
-#include <feather-tk/ui/RowLayout.h>
+#include <ftk/Ui/RowLayout.h>
 
 #include <opentimelineio/marker.h>
 
diff --git a/lib/toucanView/MenuBar.h b/lib/toucanView/MenuBar.h
index 3c9c506..1898ce8 100644
--- a/lib/toucanView/MenuBar.h
+++ b/lib/toucanView/MenuBar.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/ui/MenuBar.h>
+#include <ftk/Ui/MenuBar.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/PlaybackBar.h b/lib/toucanView/PlaybackBar.h
index a0d6220..075b320 100644
--- a/lib/toucanView/PlaybackBar.h
+++ b/lib/toucanView/PlaybackBar.h
@@ -6,9 +6,9 @@
 #include <toucanView/TimeUnitsModel.h>
 #include <toucanView/TimeWidgets.h>
 
-#include <feather-tk/ui/ComboBox.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ToolButton.h>
+#include <ftk/Ui/ComboBox.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ToolButton.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/PlaybackMenu.cpp b/lib/toucanView/PlaybackMenu.cpp
index b75bf1d..fa8a6ea 100644
--- a/lib/toucanView/PlaybackMenu.cpp
+++ b/lib/toucanView/PlaybackMenu.cpp
@@ -6,7 +6,7 @@
 #include "App.h"
 #include "FilesModel.h"
 
-#include <feather-tk/ui/Action.h>
+#include <ftk/Ui/Action.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/PlaybackMenu.h b/lib/toucanView/PlaybackMenu.h
index 48eb7da..69d382a 100644
--- a/lib/toucanView/PlaybackMenu.h
+++ b/lib/toucanView/PlaybackMenu.h
@@ -5,7 +5,7 @@
 
 #include <toucanView/PlaybackModel.h>
 
-#include <feather-tk/ui/Menu.h>
+#include <ftk/Ui/Menu.h>
 
 #include <map>
 
diff --git a/lib/toucanView/PlaybackModel.h b/lib/toucanView/PlaybackModel.h
index 4991725..b059f5e 100644
--- a/lib/toucanView/PlaybackModel.h
+++ b/lib/toucanView/PlaybackModel.h
@@ -5,9 +5,9 @@
 
 #include <opentimelineio/timeline.h>
 
-#include <feather-tk/core/ObservableValue.h>
-#include <feather-tk/core/Timer.h>
-#include <feather-tk/core/Vector.h>
+#include <ftk/Core/ObservableValue.h>
+#include <ftk/Core/Timer.h>
+#include <ftk/Core/Vector.h>
 
 #include <optional>
 
diff --git a/lib/toucanView/SelectMenu.cpp b/lib/toucanView/SelectMenu.cpp
index 53e0dd4..e274246 100644
--- a/lib/toucanView/SelectMenu.cpp
+++ b/lib/toucanView/SelectMenu.cpp
@@ -7,7 +7,7 @@
 #include "FilesModel.h"
 #include "SelectionModel.h"
 
-#include <feather-tk/ui/Action.h>
+#include <ftk/Ui/Action.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/SelectMenu.h b/lib/toucanView/SelectMenu.h
index e2690ee..68ce66e 100644
--- a/lib/toucanView/SelectMenu.h
+++ b/lib/toucanView/SelectMenu.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/ui/Menu.h>
+#include <ftk/Ui/Menu.h>
 
 #include <map>
 
diff --git a/lib/toucanView/SelectionModel.h b/lib/toucanView/SelectionModel.h
index 09acd30..cdbb4b9 100644
--- a/lib/toucanView/SelectionModel.h
+++ b/lib/toucanView/SelectionModel.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Core/ObservableList.h>
 
 #include <opentimelineio/timeline.h>
 
diff --git a/lib/toucanView/StackItem.cpp b/lib/toucanView/StackItem.cpp
index c7fb24a..2f35b6e 100644
--- a/lib/toucanView/StackItem.cpp
+++ b/lib/toucanView/StackItem.cpp
@@ -9,8 +9,8 @@
 #include "TrackItem.h"
 #include "WindowModel.h"
 
-#include <feather-tk/ui/DrawUtil.h>
-#include <feather-tk/core/RenderUtil.h>
+#include <ftk/Ui/DrawUtil.h>
+#include <ftk/Core/RenderUtil.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/StackItem.h b/lib/toucanView/StackItem.h
index ce73dd7..7ce923b 100644
--- a/lib/toucanView/StackItem.h
+++ b/lib/toucanView/StackItem.h
@@ -5,7 +5,7 @@
 
 #include <toucanView/MarkerItem.h>
 
-#include <feather-tk/ui/RowLayout.h>
+#include <ftk/Ui/RowLayout.h>
 
 #include <opentimelineio/stack.h>
 
diff --git a/lib/toucanView/ThumbnailGenerator.cpp b/lib/toucanView/ThumbnailGenerator.cpp
index ae521a8..86d32b1 100644
--- a/lib/toucanView/ThumbnailGenerator.cpp
+++ b/lib/toucanView/ThumbnailGenerator.cpp
@@ -10,9 +10,9 @@
 
 #include <OpenImageIO/imagebufalgo.h>
 
-#include <feather-tk/core/Context.h>
-#include <feather-tk/core/Format.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Core/Context.h>
+#include <ftk/Core/Format.h>
+#include <ftk/Core/String.h>
 
 #include <sstream>
 
diff --git a/lib/toucanView/ThumbnailGenerator.h b/lib/toucanView/ThumbnailGenerator.h
index 1d50040..338b56d 100644
--- a/lib/toucanView/ThumbnailGenerator.h
+++ b/lib/toucanView/ThumbnailGenerator.h
@@ -5,8 +5,8 @@
 
 #include <opentimelineio/item.h>
 
-#include <feather-tk/core/Image.h>
-#include <feather-tk/core/LogSystem.h>
+#include <ftk/Core/Image.h>
+#include <ftk/Core/LogSystem.h>
 
 #include <atomic>
 #include <filesystem>
diff --git a/lib/toucanView/ThumbnailsWidget.cpp b/lib/toucanView/ThumbnailsWidget.cpp
index 14a93b5..181b7e9 100644
--- a/lib/toucanView/ThumbnailsWidget.cpp
+++ b/lib/toucanView/ThumbnailsWidget.cpp
@@ -7,7 +7,7 @@
 #include <toucanRender/TimelineWrapper.h>
 #include <toucanRender/Util.h>
 
-#include <feather-tk/ui/DrawUtil.h>
+#include <ftk/Ui/DrawUtil.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/ThumbnailsWidget.h b/lib/toucanView/ThumbnailsWidget.h
index 42a3f73..02b3fcb 100644
--- a/lib/toucanView/ThumbnailsWidget.h
+++ b/lib/toucanView/ThumbnailsWidget.h
@@ -6,7 +6,7 @@
 #include <toucanView/ThumbnailGenerator.h>
 #include <toucanView/TimeLayout.h>
 
-#include <feather-tk/core/LRUCache.h>
+#include <ftk/Core/LRUCache.h>
 
 #include <opentimelineio/item.h>
 
diff --git a/lib/toucanView/TimeLayout.h b/lib/toucanView/TimeLayout.h
index 2e061e8..723067a 100644
--- a/lib/toucanView/TimeLayout.h
+++ b/lib/toucanView/TimeLayout.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/ui/IWidget.h>
+#include <ftk/Ui/IWidget.h>
 
 #include <opentimelineio/version.h>
 
diff --git a/lib/toucanView/TimeMenu.cpp b/lib/toucanView/TimeMenu.cpp
index 2de9a28..12ee30f 100644
--- a/lib/toucanView/TimeMenu.cpp
+++ b/lib/toucanView/TimeMenu.cpp
@@ -7,7 +7,7 @@
 #include "FilesModel.h"
 #include "PlaybackModel.h"
 
-#include <feather-tk/ui/Action.h>
+#include <ftk/Ui/Action.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/TimeMenu.h b/lib/toucanView/TimeMenu.h
index 589c73e..a69d36b 100644
--- a/lib/toucanView/TimeMenu.h
+++ b/lib/toucanView/TimeMenu.h
@@ -5,7 +5,7 @@
 
 #include <toucanView/SelectionModel.h>
 
-#include <feather-tk/ui/Menu.h>
+#include <ftk/Ui/Menu.h>
 
 #include <opentimelineio/version.h>
 
diff --git a/lib/toucanView/TimeUnitsModel.cpp b/lib/toucanView/TimeUnitsModel.cpp
index 536d040..7b38b22 100644
--- a/lib/toucanView/TimeUnitsModel.cpp
+++ b/lib/toucanView/TimeUnitsModel.cpp
@@ -3,10 +3,10 @@
 
 #include "TimeUnitsModel.h"
 
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/core/Error.h>
-#include <feather-tk/core/Format.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Core/Error.h>
+#include <ftk/Core/Format.h>
+#include <ftk/Core/String.h>
 
 #include <nlohmann/json.hpp>
 
diff --git a/lib/toucanView/TimeUnitsModel.h b/lib/toucanView/TimeUnitsModel.h
index cc4171e..7053825 100644
--- a/lib/toucanView/TimeUnitsModel.h
+++ b/lib/toucanView/TimeUnitsModel.h
@@ -3,9 +3,9 @@
 
 #pragma once
 
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/core/Context.h>
-#include <feather-tk/core/ObservableValue.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Core/Context.h>
+#include <ftk/Core/ObservableValue.h>
 
 #include <opentimelineio/version.h>
 
diff --git a/lib/toucanView/TimeWidgets.cpp b/lib/toucanView/TimeWidgets.cpp
index 664b572..a691d55 100644
--- a/lib/toucanView/TimeWidgets.cpp
+++ b/lib/toucanView/TimeWidgets.cpp
@@ -3,7 +3,7 @@
 
 #include "TimeWidgets.h"
 
-#include <feather-tk/ui/ToolButton.h>
+#include <ftk/Ui/ToolButton.h>
 
 #include <sstream>
 
diff --git a/lib/toucanView/TimeWidgets.h b/lib/toucanView/TimeWidgets.h
index 9e01d82..be69b4b 100644
--- a/lib/toucanView/TimeWidgets.h
+++ b/lib/toucanView/TimeWidgets.h
@@ -6,11 +6,11 @@
 #include <toucanView/PlaybackModel.h>
 #include <toucanView/TimeUnitsModel.h>
 
-#include <feather-tk/ui/ButtonGroup.h>
-#include <feather-tk/ui/IncButtons.h>
-#include <feather-tk/ui/Label.h>
-#include <feather-tk/ui/LineEdit.h>
-#include <feather-tk/ui/RowLayout.h>
+#include <ftk/Ui/ButtonGroup.h>
+#include <ftk/Ui/IncButtons.h>
+#include <ftk/Ui/Label.h>
+#include <ftk/Ui/LineEdit.h>
+#include <ftk/Ui/RowLayout.h>
 
 #include <opentimelineio/anyVector.h>
 
diff --git a/lib/toucanView/TimelineItem.cpp b/lib/toucanView/TimelineItem.cpp
index f8eb861..534a050 100644
--- a/lib/toucanView/TimelineItem.cpp
+++ b/lib/toucanView/TimelineItem.cpp
@@ -9,7 +9,7 @@
 #include "ThumbnailsWidget.h"
 #include "WindowModel.h"
 
-#include <feather-tk/ui/ScrollArea.h>
+#include <ftk/Ui/ScrollArea.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/TimelineItem.h b/lib/toucanView/TimelineItem.h
index aae655f..b1914a4 100644
--- a/lib/toucanView/TimelineItem.h
+++ b/lib/toucanView/TimelineItem.h
@@ -6,7 +6,7 @@
 #include <toucanView/IItem.h>
 #include <toucanView/SelectionModel.h>
 
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Core/ObservableList.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/TimelineWidget.h b/lib/toucanView/TimelineWidget.h
index 9567716..2bc03c2 100644
--- a/lib/toucanView/TimelineWidget.h
+++ b/lib/toucanView/TimelineWidget.h
@@ -6,8 +6,8 @@
 #include <toucanView/PlaybackModel.h>
 #include <toucanView/TimeUnitsModel.h>
 
-#include <feather-tk/ui/ScrollWidget.h>
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Ui/ScrollWidget.h>
+#include <ftk/Core/ObservableList.h>
 
 #include <opentimelineio/timeline.h>
 
diff --git a/lib/toucanView/ToolBar.cpp b/lib/toucanView/ToolBar.cpp
index 1bff46b..0db71fe 100644
--- a/lib/toucanView/ToolBar.cpp
+++ b/lib/toucanView/ToolBar.cpp
@@ -7,7 +7,7 @@
 #include "ViewToolBar.h"
 #include "WindowToolBar.h"
 
-#include <feather-tk/ui/Divider.h>
+#include <ftk/Ui/Divider.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/ToolBar.h b/lib/toucanView/ToolBar.h
index ddc4057..4f0b130 100644
--- a/lib/toucanView/ToolBar.h
+++ b/lib/toucanView/ToolBar.h
@@ -3,8 +3,8 @@
 
 #pragma once
 
-#include <feather-tk/ui/Action.h>
-#include <feather-tk/ui/RowLayout.h>
+#include <ftk/Ui/Action.h>
+#include <ftk/Ui/RowLayout.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/TrackItem.cpp b/lib/toucanView/TrackItem.cpp
index 9f6b7c1..f16870f 100644
--- a/lib/toucanView/TrackItem.cpp
+++ b/lib/toucanView/TrackItem.cpp
@@ -8,8 +8,8 @@
 #include "GapItem.h"
 #include "VideoClipItem.h"
 
-#include <feather-tk/ui/DrawUtil.h>
-#include <feather-tk/core/RenderUtil.h>
+#include <ftk/Ui/DrawUtil.h>
+#include <ftk/Core/RenderUtil.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/TrackItem.h b/lib/toucanView/TrackItem.h
index c40df2a..219e8bc 100644
--- a/lib/toucanView/TrackItem.h
+++ b/lib/toucanView/TrackItem.h
@@ -5,7 +5,7 @@
 
 #include <toucanView/MarkerItem.h>
 
-#include <feather-tk/ui/RowLayout.h>
+#include <ftk/Ui/RowLayout.h>
 
 #include <opentimelineio/track.h>
 
diff --git a/lib/toucanView/VideoClipItem.cpp b/lib/toucanView/VideoClipItem.cpp
index c79ee5f..982c2b9 100644
--- a/lib/toucanView/VideoClipItem.cpp
+++ b/lib/toucanView/VideoClipItem.cpp
@@ -9,7 +9,7 @@
 
 #include <toucanRender/Util.h>
 
-#include <feather-tk/ui/DrawUtil.h>
+#include <ftk/Ui/DrawUtil.h>
 
 #include <opentimelineio/externalReference.h>
 #include <opentimelineio/imageSequenceReference.h>
diff --git a/lib/toucanView/VideoClipItem.h b/lib/toucanView/VideoClipItem.h
index 28830dc..6348113 100644
--- a/lib/toucanView/VideoClipItem.h
+++ b/lib/toucanView/VideoClipItem.h
@@ -8,7 +8,7 @@
 #include <toucanView/MarkerItem.h>
 #include <toucanView/ThumbnailsWidget.h>
 
-#include <feather-tk/ui/RowLayout.h>
+#include <ftk/Ui/RowLayout.h>
 
 #include <opentimelineio/clip.h>
 
diff --git a/lib/toucanView/ViewMenu.h b/lib/toucanView/ViewMenu.h
index 0f07f09..41e0398 100644
--- a/lib/toucanView/ViewMenu.h
+++ b/lib/toucanView/ViewMenu.h
@@ -5,8 +5,8 @@
 
 #include <toucanView/ViewModel.h>
 
-#include <feather-tk/ui/Menu.h>
-#include <feather-tk/core/ObservableValue.h>
+#include <ftk/Ui/Menu.h>
+#include <ftk/Core/ObservableValue.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/ViewModel.cpp b/lib/toucanView/ViewModel.cpp
index ba5fb5d..40f1d4d 100644
--- a/lib/toucanView/ViewModel.cpp
+++ b/lib/toucanView/ViewModel.cpp
@@ -3,8 +3,8 @@
 
 #include "ViewModel.h"
 
-#include <feather-tk/core/Error.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Core/Error.h>
+#include <ftk/Core/String.h>
 
 #include <nlohmann/json.hpp>
 
diff --git a/lib/toucanView/ViewModel.h b/lib/toucanView/ViewModel.h
index a1c84fa..fdb46a1 100644
--- a/lib/toucanView/ViewModel.h
+++ b/lib/toucanView/ViewModel.h
@@ -3,10 +3,10 @@
 
 #pragma once
 
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/core/Context.h>
-#include <feather-tk/core/ObservableValue.h>
-#include <feather-tk/core/RenderOptions.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Core/Context.h>
+#include <ftk/Core/ObservableValue.h>
+#include <ftk/Core/RenderOptions.h>
 
 #include <opentimelineio/timeline.h>
 
diff --git a/lib/toucanView/ViewToolBar.h b/lib/toucanView/ViewToolBar.h
index 1e0fe43..90a4df8 100644
--- a/lib/toucanView/ViewToolBar.h
+++ b/lib/toucanView/ViewToolBar.h
@@ -3,10 +3,10 @@
 
 #pragma once
 
-#include <feather-tk/ui/Action.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Ui/Action.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/ObservableList.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/Viewport.cpp b/lib/toucanView/Viewport.cpp
index fede292..fb2e17b 100644
--- a/lib/toucanView/Viewport.cpp
+++ b/lib/toucanView/Viewport.cpp
@@ -8,7 +8,7 @@
 #include "App.h"
 #include "ViewModel.h"
 
-#include <feather-tk/ui/DrawUtil.h>
+#include <ftk/Ui/DrawUtil.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/Viewport.h b/lib/toucanView/Viewport.h
index 95173ce..3dacc3c 100644
--- a/lib/toucanView/Viewport.h
+++ b/lib/toucanView/Viewport.h
@@ -6,9 +6,9 @@
 #include <toucanView/FilesModel.h>
 #include <toucanView/ViewModel.h>
 
-#include <feather-tk/ui/IWidget.h>
+#include <ftk/Ui/IWidget.h>
 
-#include <feather-tk/core/Image.h>
+#include <ftk/Core/Image.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/WindowMenu.cpp b/lib/toucanView/WindowMenu.cpp
index 5df1b82..531ef73 100644
--- a/lib/toucanView/WindowMenu.cpp
+++ b/lib/toucanView/WindowMenu.cpp
@@ -11,10 +11,10 @@
 
 #include <toucanRender/TimelineAlgo.h>
 
-#include <feather-tk/ui/Action.h>
-#include <feather-tk/ui/FileBrowser.h>
-#include <feather-tk/ui/RecentFilesModel.h>
-#include <feather-tk/core/Format.h>
+#include <ftk/Ui/Action.h>
+#include <ftk/Ui/FileBrowser.h>
+#include <ftk/Ui/RecentFilesModel.h>
+#include <ftk/Core/Format.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/WindowMenu.h b/lib/toucanView/WindowMenu.h
index a66b0f2..736cda5 100644
--- a/lib/toucanView/WindowMenu.h
+++ b/lib/toucanView/WindowMenu.h
@@ -5,9 +5,9 @@
 
 #include <toucanView/WindowModel.h>
 
-#include <feather-tk/ui/Menu.h>
-#include <feather-tk/core/ObservableList.h>
-#include <feather-tk/core/ObservableMap.h>
+#include <ftk/Ui/Menu.h>
+#include <ftk/Core/ObservableList.h>
+#include <ftk/Core/ObservableMap.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/WindowModel.cpp b/lib/toucanView/WindowModel.cpp
index 9d615a9..6b2e8b2 100644
--- a/lib/toucanView/WindowModel.cpp
+++ b/lib/toucanView/WindowModel.cpp
@@ -3,9 +3,9 @@
 
 #include "WindowModel.h"
 
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/core/Error.h>
-#include <feather-tk/core/String.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Core/Error.h>
+#include <ftk/Core/String.h>
 
 #include <nlohmann/json.hpp>
 
diff --git a/lib/toucanView/WindowModel.h b/lib/toucanView/WindowModel.h
index 4d9fee9..04febbd 100644
--- a/lib/toucanView/WindowModel.h
+++ b/lib/toucanView/WindowModel.h
@@ -3,10 +3,10 @@
 
 #pragma once
 
-#include <feather-tk/ui/Settings.h>
-#include <feather-tk/core/Context.h>
-#include <feather-tk/core/ObservableMap.h>
-#include <feather-tk/core/ObservableValue.h>
+#include <ftk/Ui/Settings.h>
+#include <ftk/Core/Context.h>
+#include <ftk/Core/ObservableMap.h>
+#include <ftk/Core/ObservableValue.h>
 
 namespace toucan
 {
diff --git a/lib/toucanView/WindowToolBar.h b/lib/toucanView/WindowToolBar.h
index 15fa3c8..0e4577a 100644
--- a/lib/toucanView/WindowToolBar.h
+++ b/lib/toucanView/WindowToolBar.h
@@ -5,10 +5,10 @@
 
 #include <toucanView/WindowModel.h>
 
-#include <feather-tk/ui/Action.h>
-#include <feather-tk/ui/RowLayout.h>
-#include <feather-tk/ui/ToolButton.h>
-#include <feather-tk/core/ObservableList.h>
+#include <ftk/Ui/Action.h>
+#include <ftk/Ui/RowLayout.h>
+#include <ftk/Ui/ToolButton.h>
+#include <ftk/Core/ObservableList.h>
 
 namespace toucan
 {
diff --git a/tests/toucan-test/main.cpp b/tests/toucan-test/main.cpp
index 7e2d90c..c4a6883 100644
--- a/tests/toucan-test/main.cpp
+++ b/tests/toucan-test/main.cpp
@@ -17,9 +17,9 @@
 #include <toucanRender/Util.h>
 
 #if defined(toucan_VIEW)
-#include <feather-tk/ui/Init.h>
+#include <ftk/Ui/Init.h>
 #endif // toucan_VIEW
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 #include <iostream>
 
diff --git a/tests/toucanViewTest/FilesModelTest.h b/tests/toucanViewTest/FilesModelTest.h
index bc25df7..859ae14 100644
--- a/tests/toucanViewTest/FilesModelTest.h
+++ b/tests/toucanViewTest/FilesModelTest.h
@@ -5,7 +5,7 @@
 
 #include <toucanRender/ImageEffectHost.h>
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 namespace toucan
 {
diff --git a/tests/toucanViewTest/PlaybackModelTest.h b/tests/toucanViewTest/PlaybackModelTest.h
index dc821a6..cd88590 100644
--- a/tests/toucanViewTest/PlaybackModelTest.h
+++ b/tests/toucanViewTest/PlaybackModelTest.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 namespace toucan
 {
diff --git a/tests/toucanViewTest/SelectionModelTest.h b/tests/toucanViewTest/SelectionModelTest.h
index fccec30..45a501b 100644
--- a/tests/toucanViewTest/SelectionModelTest.h
+++ b/tests/toucanViewTest/SelectionModelTest.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 #include <filesystem>
 
diff --git a/tests/toucanViewTest/ViewModelTest.h b/tests/toucanViewTest/ViewModelTest.h
index 020ff77..b2ca35a 100644
--- a/tests/toucanViewTest/ViewModelTest.h
+++ b/tests/toucanViewTest/ViewModelTest.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 namespace toucan
 {
diff --git a/tests/toucanViewTest/WindowModelTest.h b/tests/toucanViewTest/WindowModelTest.h
index 9d81daf..e5fcf38 100644
--- a/tests/toucanViewTest/WindowModelTest.h
+++ b/tests/toucanViewTest/WindowModelTest.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <feather-tk/core/Context.h>
+#include <ftk/Core/Context.h>
 
 namespace toucan
 {