These individuals have generously donated to help support the development of Box2D:

Dmitry Ledentsov, Garrett Brown, Rosiana Dharmadi, AppCone LLC, Jesse Boley, Rikhard Mikac, Bart van Heukelom, Philipp Lenssen, Diego Pereyra, Emil Ovemar, Qiang Shi, Kevin Bray, Lisandro Iraguen, Leonardo Marques, psilocyn, sysrq2000, syko227, theluckyleper, Rico, cpoizat, Puelo, cattaka, Seb Lee-Delisle, shefy gur-ary, Balazs Midgames, Péricles Rodrigues, Benjamin Blundell, Benoît Lahoz, Aleksey Yermakov, 10tons Ltd, Luke Loeffler, Ivan Bazhenov, Wotong Shen, tle-arsakura, Satoshi Ueyama, Peter Ragany, Kari Kangas, Kramer Software, Frederic Duval

These individuals have donated $100 or more:
Eugene Karataev
Colin Northway (Fantastic Contraption)
Ricardo Quesada
Andrew Garrison
Jeffrey Bland
Xu Liu
iforce2d
Motokimi Kuzume
Kovalishin Andrey
www.Playberry.com

These individuals have donated $1000 or more:
Natenai Ariyatrakool
Johnny-K
Riverman Media
Mediocre AB