OSCseq – Open Sound Control timeline

Download Links
Tool Site

OSCseq is a basic OSC sequencer. It’s a timeline tool that can record and play back any Open Sound Control message, has basic editing functionality, supports automatic OSC device discovery (Bonjour), has an unrestricted address and argument space and fully supports NTP time tags.

For an example how to use OSCseq to make compositions with Max/MSP, check out the tutorial videos at http://oscseq.com/gallery/, demo patches are available for download.

Nov 22 2011 | 6:48 pm

Great work. Thanks a lot. I will try to use it now.

Nov 24 2011 | 1:53 pm


Let me know if anything is unclear, as you can see it’s still in beta so I’m open for feedback!

Mar 22 2012 | 5:43 am

nice goal but doesn’t launch on osx 10.6.8…

Mar 22 2012 | 3:06 pm

Hi yopla, thanks for the feedback.

If you have time, could you describe what’s happening more specifically? I can’t reproduce that on 10.6.8 here, OSCseq launches fine for me.


Apr 09 2012 | 3:23 am

quite simle, i download the dmg, launch it, copy oscseq in application folder.
launch oscseq, but absolutely nothing happens…

i’m searching about a tool like that for a time, but it’s still not here. maybe soon

Apr 10 2012 | 2:19 am

Hi yopla,

Would you mind answering some questions via email to see if we can trace the problem? If so please send an email to mattijs arttech nl


Apr 11 2012 | 2:09 am

For the archives; after upgrading to the latest version of Java, yopla’s problem was solved.

Apr 28 2014 | 5:27 am

hi, I am trying to open OSC SEQ
but I keep getting this error message
java.lang.NoClassDefFoundError: com/apple/eawt/AboutHandler
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getDeclaredMethod(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
Caused by: java.lang.ClassNotFoundException: com.apple.eawt.AboutHandler
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
… 5 more

I have updated java and this is still happening.
I am using the 32bit version on windows 7

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