NatronGitHub/Natron
Open-source video compositing software. Node-graph based. Similar in functionalities to Adobe After Effects and Nuke by The Foundry.
What it is
Natron is a free, open-source (GPLv2 license) video compositor, similar in functionality to Adobe After Effects, Foundry's Nuke, or Blackmagic Fusion. It is portable and cross-platform (GNU/Linux, macOS, and Microsoft Windows). Website: https://natrongithub.github.io Source code: https://github.com/NatronGitHub/Natron Forum: https://discuss.pixls.us/c/software/natron Discord: https://discord.gg/cpMj5p3Fv5 User documentation: https://natron.readthedocs.io/
When to use it
Reach for Natron when your project generates or processes images, video, speech or audio — it's written in C++ and fits stacks tagged cpp.