Jeremy Richard moving pictures editor Est. 2008

Natron: free compositing software (https://natrongithub.github.io/#download). Working in the node view of Toon Boom Harmony, could serve as an introduction to Natron. Here’s a helpful tutorial by @openvisualfx which helps understand the principles of node-based compositing.

openvisualfx.comIntro To Compositing In Natron