The following people have contributed to the development of Rich:
- Patrick Arminio
- Gregory Beauregard
- Artur Borecki
- Pedro Aaron
- Robin Bowes
- Dennis Brakhane
- Darren Burns
- Ceyda Cinarel
- Jim Crist-Harif
- Ed Davis
- Pete Davison
- James Estevez
- Jonathan Eunice
- Aryaz Eghbali
- Oleksis Fraga
- Andy Gimblett
- Kai Giokas
- Tom Gooding
- Michał Górny
- Nok Lam Chan
- Leron Gray
- Andre Hora
- Kenneth Hoste
- Lanqing Huang
- Finn Hughes
- Logan Hunt
- JP Hutchins
- Ionite
- Josh Karpel
- Jan Katins
- Hugo van Kemenade
- Andrew Kettmann
- Alexander Krasnikov
- Martin Larralde
- Hedy Li
- Henry Mai
- Luka Mamukashvili
- Alexander Mancevice
- Will McGugan
- Paul McGuire
- Antony Milne
- Michael Milton
- Martina Oefelein
- Nathan Page
- Dave Pearson
- Avi Perl
- Laurent Peuch
- Ronny Pfannschmidt
- Olivier Philippon
- Kylian Point
- Kyle Pollina
- Sebastián Ramírez
- Grant Ramsay
- Felipe Guedes
- Min RK
- Clément Robert
- Brian Rutledge
- Tushar Sadhwani
- Luca Salvarani
- Paul Sanders
- Louis Sautier
- Tim Savage
- Anthony Shaw
- Nicolas Simonds
- Aaron Stephens
- Karolina Surma
- Gabriele N. Tornetta
- Nils Vu
- Arian Mollik Wasi
- Jan van Wijk
- Handhika Yanuar Pratama
- za
- Motahhar Mokfi
- Tomer Shalev
- Serkan UYSAL
- Zhe Huang
- Adrian Zuber
- Ke Sun
- Qiming Xu
- James Addison
- Pierro
- Bernhard Wagner
- Aaron Beaudoin
- Sam Woodward
- L. Yeung
- chthollyphile
- Jonathan Helmus