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: Chris Adams Geoff Bache Titus Brown Brett Cannon Guillaume Chazarain David Christian Danek Duvall Ben Finney Martin Fuzzey Imri Goldberg Bill Hart Christian Heimes Devin Jeanpierre Ross Lawley Edward Loper Sandra Martocchia Patrick Mezard Noel O'Boyle Detlev Offenbach 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