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NetUtil is a compact and efficient Java library for sending and receiving messages using the OpenSoundControl (OSC) protocol. It is (C)opyright 2004–2019 by Hanns Holger Rutz. All rights reserved. NetUtil is released under the GNU Lesser General Public License and comes with absolutely no warranties. To contact the author, send an email to contact at

For project status, API and current version, visit

Note that this project is not actively developed any more (unless there are bugs to fix). For a current OSC library in the Scala programming language, please visit

requirements / building

NetUtil requires Java 1.6+. NetUtil has also been successfully running on Android. It uses sbt for building. You can use the included sbt shell script if you do not want to install sbt. This script is written by Paul Phillips, and released under a BSD style license.

To compile sbt compile, to generate a jar sbt package. Alternatively, there is now a Maven pom.xml included, although it is untested and unsupported.


To use NetUtil in your project, you can link to the following Maven artifact:

GroupId: de.sciss
ArtifactId: netutil
Version: 1.1.0

Or when using sbt

"de.sciss" % "netutil" % "1.1.0"


Please see the file

The following people have thankfully contributed to this project:

  • Felix Homann (@showlabor)
  • David Zhang (@nybbs2003)


Documentation comes in the form of JavaDoc. The generate the docs, run sbt doc. The resulting file is in target/api/index.html.

You can run some demos using sbt. First run ./sbt. At the prompt:

> run

This will print to available options. E.g.

> run --testPingPong

noteworthy links

Note: This list is very old and not maintained.

  • – information about OSC specifications and implementations
  • Illposed JavaOSC – another OSC library for Java
  • oscP5 – OSC library for Processing
  • flosc – OSC library (written in Java) for bridging OSC clients and Macromedia Flash
  • jmDNS – automatic service discovery library for Java.

Here is some sporadic list of projects which seem to use NetUtil. if you want to have your project added here, send me the links:

to-do / known issues

  • add helper classes (multi-server wrapper, message deferrer)


NetUtil is a Java library for sending and receiving messages using the OpenSoundControl (OSC) protocol. Mirror of




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