- Home: http://psyco.sourceforge.net/, https://sourceforge.net/projects/psyco/
- State: mature, inactive since 2008
- Download: http://psyco.sourceforge.net/download.html
- Platform: Windows, Linux
- Keyword: tool
- Code language: C
- Code license: MIT
- Developer: Armin Rigo, Christian Tismer, David Fraser, Jonathan M. Franz, Kjetil Jacobsen, Michael Hudson-Doyle, Petru Paler, Riaan Booysen, Tim Hochberg
Python specializing compiler. Unmaintained, refers to pypy.org