- Chris Glass
- Diederik van der Boor
- Abel Daniel
- Adam Wentz
- Andrew Ingram (contributed setup.py)
- Ben Konrath
- Bertrand Bordage
- Chad Shryock
- Charles Leifer (python 2.4 compatibility)
- David Sanders
- Evan Borgstrom
- Gavin Wahl
- Germán M. Bravo
- Hugo Osvaldo Barrera
- Jacob Rief
- Jedediah Smith (proxy models support)
- John Furr
- Jonas Obrist
- Julian Wachholz
- Kevin Armenat
- Marius Lueck
- Martin Brochhaus
- Tomas Peterka
- Vail Gold
- Bert Constantin 2009/2010 (Original author, disappeared from the internet :( )