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For other uses, see Reaper (disambiguation).
Developer(s) Cockos
Stable release
5.33 / February 6, 2017; 2 days ago (2017-02-06)
Written in C, C++, Assembly language
Operating system Windows XP+
Mac OS X 10.5+
Type Digital audio workstation
License Proprietary

REAPER (an initialism for rapid environment for audio production, engineering, and recording) is a digital audio workstation created by Cockos. The current version is available for Microsoft Windows (XP/Vista/7/8/10) and Mac OS X (10.5-10.10). REAPER acts as a host to most industry standard plugin formats (such as VST and DX) and can import all commonly-used media formats, including video. REAPER and its included plugins are available in 32-bit and 64-bit format.


REAPER provides a free, fully functional 60-day evaluation period. For further use two licenses are available - a commercial and a discounted one. They are identical in features and differ only in price and target audience, with the discount license being offered for private use, schools and small businesses. Any paid license includes the current version with all of its future updates and a free upgrade to the next major version and all of its subsequent updates, when they are released. Any license is valid for all configurations (x64 and x86) and allows for multiple installations, as long it is being run on one computer at a time.[1]


Extensive customization opportunities are provided through the use of ReaScript and user-created themes and functionality extensions.

ReaScript can be used to create anything from advanced macros to full-featured REAPER extensions. Scripts can be written in EEL2 (JSFX script), Lua and Python.[2] SWS / S&M is a popular, open-source extension to REAPER, providing workflow enhancements and advanced tempo/groove manipulation functionality.[3]

REAPER's interface can be customized with user-built themes. Each previous version's default theme is included with REAPER and theming allows for complete overhauls of the GUI. Additional themes (and other user-created content) are available for download at[4] REAPER has been translated into multiple languages and downloadable language packs are available. Users as well as developers can create language packs for REAPER.[5]

Included software and plugins[edit]

Reaper comes with a variety of commonly-used audio production effects. They include tools such as ReaEQ, ReaVerb, ReaGate, ReaDelay, ReaPitch and ReaComp. The included Rea-plugins are also available as a separate download for users of other DAWS, as the ReaPlugs VST FX Suite.[6]

Also included are more than a hundred Jesusonic (JS) script plugins[7] ranging from standard effects to specific applications for MIDI and audio. JS effects are text files, which when loaded into REAPER (exactly like a VST or other plugin) become full-featured plugins ranging from simple audio effects (e.g, delay, distortion, compression) to instruments (synths, samplers) and other special purpose tools (drum triggering, surround panning). All JS plugins are editable in any text editor and thus are fully user customizable.[8]

REAPER includes no third-party software, but is fully compatible with all versions of the VST standard (currently VST3) and thus works with the vast majority of both free and commercial plugins available. REAPER x64 can also run 32-bit plugins alongside 64-bit processes.[7]

Video editing[edit]

While not a dedicated video editor, REAPER can be used to cut and trim video files and to edit or replace the audio within. Common video effects such as fades, wipes and cross-fades are available. REAPER aligns video files in a project like it would an audio track and the video part of a file can be viewed in separate video window while working on the project.[9]

Control surface support[edit]

REAPER has built-in support for:

  • BCF2000 – Behringer's motorized faders control surface, USB/MIDI[10]
  • TranzPort – Frontier Design Group's wireless transport control[11]
  • AlphaTrack – Frontier Design Group's AlphaTrack control surface[12]
  • FaderPort – Presonus' FaderPort control surface[13]
  • Baby HUI – Mackie's Baby HUI control surface[14]
  • MCU – Mackie's "Mackie Control Universal" control surface[15]

Version history[edit]

  • First public release – December 23, 2005[16] as freeware[17]
  • 1.0 – released on August 23, 2006[18] as shareware
  • 2.0 – October 10, 2007
  • 3.0 – May 22, 2009
  • 4.0 – August 3, 2011
  • 5.0 – August 12, 2015

See also[edit]


  1. ^ "REAPER | Purchase". Retrieved 2017-01-31. 
  2. ^ "REAPER | ReaScript". Retrieved 2017-01-29. 
  3. ^ "SWS / S&M Extension". Retrieved 2017-01-29. 
  4. ^ "REAPER | Resources". Retrieved 2017-01-29. 
  5. ^ "REAPER | Language Packs". Retrieved 2017-01-29. 
  6. ^ "REAPER | ReaPlugs". Retrieved 2017-01-31. 
  7. ^ a b "REAPER | About". Retrieved 2017-01-29. 
  8. ^ "REAPER | JSFX Programming". Retrieved 2017-01-29. 
  9. ^ "REAPER 5: An Exhaustive Review". ExtremRaym. 2015-11-04. Retrieved 2017-02-06. 
  10. ^ "Behringer - BCF2000". Retrieved 12 August 2015. 
  11. ^ "Frontier Design Group". Retrieved 7 November 2014. 
  12. ^ "Frontier Design Group". Retrieved 7 November 2014. 
  13. ^ "PreSonus - FaderPort". Retrieved 7 November 2014. 
  14. ^ "Mackie - Baby HUI". Retrieved 7 November 2014. 
  15. ^ Marketing Dept. "Mackie - Mackie Control Universal Pro". Retrieved 7 November 2014. 
  16. ^ "REAPER - Old Versions". Retrieved 7 November 2014. 
  17. ^ "REAPER : Latest news". Archived from the original on June 15, 2006. Retrieved 7 November 2014. 
  18. ^ "REAPER - Old Versions". Retrieved 7 November 2014. 

External links[edit]