Natron is an open source, cross platform nodal compositing application. It is built around industry standard open source tech such as OpenFX, OpenEXR, OpenColorIO and OpenImageIO. The feature set includes realtime playback/RAM cache, multi-threaded rendering, 2d tracking...
Notch is the game-changing real-time visual creation engine that keeps up with your ideas. From motion graphics to interactive installations to VR experiences to the largest performances on earth, it helps creators rediscover the joy of creating.
NUKE is a powerful compositing application that delivers unparalleled speed, an efficient multi-channel scanline rendering engine, and a first-class feature set that is unrivalled in the desktop market.