diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md
new file mode 100644
index 0000000..8e2e725
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE/bug_report.md
@@ -0,0 +1,36 @@
+---
+name: Bug Report
+about: Report a bug to help us improve
+title: ''
+labels: bug
+assignees: ''
+---
+
+## Description
+
+A clear description of the bug.
+
+## Steps to Reproduce
+
+1.
+2.
+3.
+
+## Expected Behavior
+
+What you expected to happen.
+
+## Actual Behavior
+
+What actually happened.
+
+## Environment
+
+- OS:
+- Java version:
+- Rust version:
+- OpenData version/commit:
+
+## Additional Context
+
+Any other relevant information (logs, screenshots, etc.).
diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md
new file mode 100644
index 0000000..bdd8ba9
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+++ b/.github/ISSUE_TEMPLATE/feature_request.md
@@ -0,0 +1,27 @@
+---
+name: Feature Request
+about: Suggest a new feature or improvement
+title: ''
+labels: enhancement
+assignees: ''
+---
+
+## Summary
+
+A brief description of the feature.
+
+## Motivation
+
+What problem does this solve? Why is it needed?
+
+## Proposed Solution
+
+How do you think this should work?
+
+## Alternatives Considered
+
+Any other approaches you've thought about.
+
+## Additional Context
+
+Any other relevant information.
diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..0c17f80
--- /dev/null
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,19 @@
+## Summary
+
+What does this PR do?
+
+## Related Issues
+
+Fixes #
+<!-- or: Relates to # -->
+
+## Test Plan
+
+How was this tested?
+
+## Checklist
+
+- [ ] Tests added/updated
+- [ ] `cargo fmt` and `cargo clippy` pass (for Rust/JNI changes)
+- [ ] `mvn verify` passes
+- [ ] Documentation updated (if applicable)
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..19e9477
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,75 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          tool-cache: false
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: false
+          docker-images: true
+          swap-storage: true
+
+      - name: Checkout opendata-java
+        uses: actions/checkout@v4
+
+      - name: Checkout opendata
+        run: git clone --depth 1 https://github.com/opendata-oss/opendata.git ../opendata
+
+      - name: Install Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Cache cargo registry
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+            log/native/target
+          key: ${{ runner.os }}-cargo-${{ hashFiles('log/native/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-cargo-
+
+      - name: Check formatting
+        working-directory: log/native
+        run: cargo fmt --all -- --check
+
+      - name: Run clippy
+        working-directory: log/native
+        run: cargo clippy --all-targets -- -D warnings
+
+      - name: Build native JNI library
+        working-directory: log/native
+        run: cargo build --release
+
+      - name: Set up Java 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Cache Maven local repository
+        uses: actions/cache@v4
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: Maven build and test
+        run: mvn verify -Djava.library.path=log/native/target/release
diff --git a/GOVERNANCE.md b/GOVERNANCE.md
new file mode 100644
index 0000000..c3a468d
--- /dev/null
+++ b/GOVERNANCE.md
@@ -0,0 +1,3 @@
+# OpenData Governance
+
+This repository is part of the [OpenData](https://github.com/opendata-oss/opendata) project and follows its governance model. See the [opendata GOVERNANCE.md](https://github.com/opendata-oss/opendata/blob/main/GOVERNANCE.md) for details.
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..020faf4
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 opendata-oss
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.