OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
Pivot Animator - Pivot Stickfigure Animator is a unique software, that allows you to create stick figure animations...
Synfig Studio - Just another WordPress site
Stick Nodes - Stick Nodes is an app that allows you to easily create your own stickfigure-based animations
Adobe Animate - Adobe Animate is a Flash, vector animation software.
StickyPy - Stick figure animation program written in Python and PyGame