Keyframe Websites
openshot.org
OpenShot is an award-winning free and open-source video editor for Linux, Mac, and Windows. Create videos with exciting video effects, titles, audio tracks, and animations.
23,592 
$ 569,520.00
animista.net
Animista is a CSS animation library and a place where you can play with a collection of ready-made CSS animations and download only those you will use.
No data $ 8.95