There are 2 repositories under video-animation topic.
MetalVideoProcess is a High-Performance video effects processing framework. It's base on GPUImage3 Metal, support asynchronous and multithread processing.
Online Video Editor that is purely Client Side. You can add animations and apply audio and video filters
Project was done with editing, animation, sfx, graphic designing, photo editing, etc. Software under use during work are Blender, Shortcut, Photoshop. For more to my project visit to below link
Video Animation by <HTML> { CSS } (JavaScript)
Curvesim calculates the movements and eclipses of celestial bodies and produces a video of this and of the resulting lightcurve.