The following individuals have contributed to this project

Antonio Cavedoni - For the GraphViz stuff (https://cavedoni.com/)
Ludvig Ericson (toxic)
Collin Grady (magus)
Gabriel Grant (gabrielgrant)
Rob Hudson (robhudson)
Jannis Leidel (leidel)
Brian Rosner (brosner)
Michael Trier (empty)
Doug Napoleone (dougn)
Bas van Oostveen (trbs)
David Krauth (dakrauth)
Will Larson (lethain) - syntax_color template filters.
Patrick Altman (paltman) - patched sync_media_s3
Chris Beaven (smileychris) - widont filter
qMax - various graph_model patches
Tyson Clugg (tclugg) - patched sqldiff
Domen Kožar (iElectric) - staticfiles patch improvement
Ceesjan Luiten (quinox) - original staticfiles patch
Camilo Nova (camilonova)
Wiktor Kołodziej (viciu)
Marc Tudurí (marctc)
Rick van Hattem (WoLpH)
Rodolphe Quiédeville (rodo)
Nik Nyby (nikolas)
Joshua Miller (thecardcheat)
Piotr Domański (domandinho)

Please see https://github.com/django-extensions/django-extensions/graphs/contributors
for a more complete list of contributors.
