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status: alpha / experimental (as of 19-Mar-21)

Status details: legacy- not sure what year. only has downloads for Mac OS 10.5/ 10.6, so seems older

Project Type: Software Application

Project URL:

OSC Documentation URL:


Impromptu is an OSX programming environment for composers and sound artists with an interest in live or interactive programming. Impromptu is a Scheme language environment, a member of the Lisp family of languages.

Implementation Details

Platform(s): Macintosh

Transport support: UDP

Submitted to by Legacy at 2/24/21 12:32

This page of OpenSoundControl website updated Tue Aug 16 13:15:16 PDT 2022 by matt (license: CC BY).