TouchDesigner is a node-based visual programming language for real-time interactive multimedia content.
It is widely used by artists, programmers, creative coders, software designers, and performers to create performances, installations, and fixed media works.

TouchDesigner covers several major areas of 2D and 3D production, including:

• Rendering and compositing
• Video and audio in and out
• Video / Projection mapping
• Custom control panels and application building
• Device and software interoperability (connect it to realtime audio applications like SC, Pd, Live etc.)
• Scripting and programming