Syphon
Used by 3 peoplesyphon.v002.info ↗

“Sometimes I'll connect it to other custom software using Syphon or MIDI / OSC.”
David Lublin Interview, Developer, artist, co-founder (VIDVOX) · via Uses This 
“I plug an MPC into VDMX and just jam about with dials and record it using Syphon.”
Jonny Wilson Interview, Video DJ · via Uses This