Synfig Studio - Just another WordPress site
MotionDen - Free online animated video maker
Creature - Creature 2D Skeletal and Mesh Animation Tool
Animaker - Animaker is an online do-it-yourself (#DIY) animation video maker that brings studio quality presentations within everyone's reach. Animated Videos, Done Right!
Live2D Cubism - Live2D is the world's first drawing technology to enable 3D rendering of 2D images.
Rocketium - A DIY video creation platform. Make videos in minutes using preset themes and templates.