Hipster Draw is a sketching web application. It will track your movements on screen and draw in a manner that is consistent with your selections from the menu: color and brush choice, and effects such as color inversion and grayscale.
Hipster Draw uses Javascript, Jquery, Html, CSS, Python, Postgresql, Sqlalchemy, WTforms, Flask, Base64, and Bcrypt.
Example of Brush Capabilities -- Geometric Brush Effect Shown: 