OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
LRTimelapse - LRTimelapse 5 - the best solution for time lapse editing, keyframing, grading and rendering. Supports Windows, Mac, JPG and RAW from any Camera.
Synfig Studio - Just another WordPress site
Time-Lapse Tool - Time-Lapse Tool allows to make a time-lapse video in just few clicks.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
FrameByFrame - Stop motion for mac.