REAPER (
Rapid Environment for Audio Production, Engineering, and Recording) is a
digital audio workstation created by
Cockos. It is distributed with an
uncrippled evaluation license with a
nag screen explaining the
license cost. It is currently available for
Microsoft Windows (
98/
Me/
2000/
XP/
Vista/
7/
8) and
Mac OS X (
10.4/
10.5/
10.6/
10.7/10.8). Version 4 of REAPER was released on August 3, 2011.