plugdata is a free/open-source visual programming environment based on pure-data. It is available for a wide range of operating systems, and can be used both as a standalone app, or as a VST3, LV2, CLAP or AU plugin.

sends keystrokes from max

Syphon is an open source Mac OS X technology that allows applications to share frames - full frame rate video or stills - with one another in realtime.

Capteurs, actionneurs, interfaces Midi pour interaction à distance, art contemporain et installation artistique.

or : porting from P5 to Max

Ogre3D for Jitter, currently OSX only

with processing and max/msp

chord detection, rythm detection, roughness of a tonal sonority and key identification of monophonic MIDI input

flashserver, netsend, trigonometrical calculations and conversions, wacom, reverb, shoutcast and oggcast

A MBROLA-based real-time voice synthetizer for Max/MSP

"Vision Factory is a multiplatform software (...) It is aimed at creating real-time interactive visual animations by the programming of reusable and sharable plugins."

MaxMSP and Reaktor patches

from autechre

lloopp is a software written in max/msp, designed for live-improvising

fennesz's desktop screenshot while using lloopp in max/msp

how to simulate visual glitches with Max/MSP + Jitter

emulators for Max/MSP+Jitter (atari,intellivision and more to come)

The video appears as a living piece of graffiti or live illustration. The initial image slowly recedes into the background of the display and is overwritten with a new representation of what is captured on a camera.