The following list shows in alphabetical order individuals who have contributed to deegree:
- Andrei Aiordachioaie
- D. Baum
- Rutger Bezema
- Florian Bingel
- Danilo Bretschneider
- Reijer Copier
- Alexander Erben
- Lyn Goltz
- Sebastian Goerke
- Volker Grabsch
- Torsten Friebe
- Jerry Huxtable
- Andrei Ionita
- Mats Isakson
- Christian Kiehle
- Martin W. Kirst
- Johannes Küpper
- Anne Loos
- Matteo Matassoni
- Diego Migliavacca
- Edward Nash
- Ulrich Neumeister
- Mike Nidel
- Sebastian Niklasch
- Jens Pabel
- Alexander Padberg
- Jarle Pedersen
- Andreas Poth
- Rammi aka Andreas M. Rammelt
- Stephan Reichhelm
- Lena Rippolz
- Hanko Rubach
- Andreas Schmitz
- Markus Schneider
- Paul Sohier
- Dirk Stenger
- Jason R. Surratt
- Ugo Taddei
- Carmen Tawalika
- Steffen Thomas
- Oliver Tonnhofer
- Sven Tschirner
- Jeroen van der Vegt
- Martin Vieweg
- Jeroen ter Voorde
- Georg Walenciak
- Jeronimo Wanhoff
- Juergen Weichand
- Johannes Wilden
- Julian Zilz