Pencil2D is a cross-platform animation/drawing application.
Graphic Live Mixer
iOS and OS X animation library for physics-based interactions
You can easily add awesome animated context menu to your app
Implemention of SGI's Open Inventor.
A rudimentary 2D isometric engine
Simple animation of a journey at light speed
Creates APNG animation from PNG/TGA image sequence.
A toolkit for building responsive motion using Core Animation
Coin3D Windows GUI Library
Coin3D Qt GUI Library
Convert APNG animations into animated GIF format.
Deconstruct APNG file into a sequence of PNG frames.
Custom animated pull-to-refresh that can be added to UIScrollView
Create animated presentations and export them to a video file.
A raytracer that tries to combine simplicity with power.
Pulse animation for iOS
Convert GIF animations into APNG format.
A 3d rendering framework
Dance instruction software
A simple keyframe-based animation framework for UIKit