Animation

 Pencil 2D Animation

Pencil 2D Animation is open-source, free software that is increasingly being used commercially. This software was even featured in Hackto- berfest 2018 which is run by Digital Ocean in collaboration with Github and Twilio. 

Why you must get it: 

Users can seamlessly switch between both, raster and vector workflows, which allows them to sketch, ink and paint on the go. It even runs on low-powered PCs.