opensoundcontrol.org

TJShow is a show controller that can control a wide range of devices through protocols such as DMX512, MIDI and (in the latest development version) OSC.

A .NET (C#) implementation of OSC using UDP as the transport protocol (unicast, broadcast, and multicast).

oscP5 is an osc implementation for the programming environment processing. it supports network protocols such as TCP, UDP, and Multicast.

J# OSC is a library for talking the Open Sound Control (OSC) protocol in J#/.NET2.0. It is not, in itself, a usable program.

vvvv is a toolkit for real time video synthesis.

LGPLed utility library for Delphi to encode/decode osc-packets.

JavaOSC is a library for talking the Open Sound Control (OSC) protocol in Java. It is not, in itself, a usable program.

Mrmr is an ongoing open-source research project to develop a standardized set of protocols and syntax conventions to control live installations and multimedia performances via mobile devices.

TouchOSC is an iPhone/iPod Touch application that lets you send and receive Open Sound Control messages over a Wi-Fi network using the UDP protocol.

q3osc is a heavily modified version of the ioquake3 gaming engine featuring an integrated oscpack implementation of Open Sound Control for bi-directional communication between a game server and a mult

ofxOsc is an add-on for the openFrameworks system that allows OSC communication. it is built on Ross Bencina's oscpack.

The ooscc is an open source/hardware controller whose eventual goal is to allow an arbitrary number of analog and digital inputs and outputs, interfaced over Ethernet.

micro-OSC (uOSC) is a firmware runtime system for embedded platforms designed to remain as small as possible while also supporting evolving trends in sensor interfaces such as regulated 3.3 Volt high-

This seems to be the most current Ruby implementation.