Coverage.py was originally written by Gareth Rees, and since 2004 has been extended and maintained by Ned Batchelder. Other contributions have been made by: Marc Abramowitz Chris Adams Geoff Bache Julian Berman Titus Brown Brett Cannon Pablo Carballo Guillaume Chazarain David Christian Marcus Cobden Matthew Desmarais Danek Duvall Ben Finney Martin Fuzzey Imri Goldberg Bill Hart Christian Heimes Roger Hu Devin Jeanpierre Ross Lawley Edward Loper Sandra Martocchia Patrick Mezard Noel O'Boyle Detlev Offenbach JT Olds George Paci Catherine Proulx Brandon Rhodes Adi Roiban Greg Rogers George Song David Stanek Joseph Tate Sigve Tjora Mark van der Wal Zooko Wilcox-O'Hearn Christoph Zwerschke