TouchDesigner Alternatives for Linux

Blender is the free and open-source 3D creation suite. It supports the entirety of the 3D pipeline—modeling, rigging, animation, simulation, rendering, compositing, video editing, and motion tracking.

Autodesk Maya software is a powerful, integrated 3D modeling, animation, visual effects, and rendering solution.

Pd (aka Pure Data) is a real-time graphical programming environment for audio, video, and graphical processing. It is the third major branch of the family of patcher programming languages known as Max (Max/FTS, ISPW Max, Max/MSP, jMax, etc.

Houdini covers all the major areas of 3D production, including:.

Orca is an Esoteric Programming Language and live-coding environment for musical experimentation. In Orca, each letter of the alphabet is an operation, lowercase letters operate on bang, uppercase letters operate each frame.

Fugio is a free, open source, visual programming system for making digital art and creative projects using a wide range of technologies, for Windows, OS X, and Linux (including Raspberry Pi).

PraxisLIVE is an open-source, visual programming environment. Experiment with and create projects using a visual patching system coupled with the power of programming in Java, Processing and GLSL.

Fragmentarium is an open source, cross-platform IDE for exploring pixel based graphics on the GPU.

Dead Deer is a 3D modeler, 3D game maker, and a 3D demo maker designed to create games.

Sensei Format & the Blender Crash Course were created with each other in mind (blendersensei.com/blender-crash-course). The idea being, make Blender easier to learn and use.