Coverage.py was originally written by Gareth Rees, and since 2004 has been extended and maintained by Ned Batchelder. Other contributions, including writing code, updating docs, and submitting useful bug reports, have been made by: Abdeali Kothari Adi Roiban Agbonze O. Jeremiah Albertas Agejevas Aleksi Torhamo Alex Gaynor Alex Groce Alex Sandro Alexander Todorov Alexander Walters Alpha Chen Ammar Askar Andrew Hoos Anthony Sottile Arcadiy Ivanov Aron Griffis Artem Dayneko Arthur Deygin Arthur Rio Ben Carlsson Ben Finney Benjamin Parzella Benjamin Schubert Bernát Gábor Bill Hart Bradley Burns Brandon Rhodes Brett Cannon Bruno P. Kinoshita Buck Evan Calen Pennington Carl Friedrich Bolz-Tereick Carl Gieringer Catherine Proulx Chris Adams Chris Jerdonek Chris Rose Chris Warrick Christian Heimes Christine Lytwynec Christoph Blessing Christoph Zwerschke Clément Pit-Claudel Conrad Ho Cosimo Lupo Dan Hemberger Dan Riti Dan Wandschneider Danek Duvall Daniel Hahler Danny Allen David Christian David MacIver David Stanek David Szotten Detlev Offenbach Devin Jeanpierre Dirk Thomas Dmitry Shishov Dmitry Trofimov Eduardo Schettino Edward Loper Eli Skeggs Emil Madsen Éric Larivière Federico Bond Felix Horvat Frazer McLean Geoff Bache George Paci George Song George-Cristian Bîrzan Greg Rogers Guido van Rossum Guillaume Chazarain Hugo van Kemenade Ian Moore Ilia Meerovich Imri Goldberg Ionel Cristian Mărieș Ivan Ciuvalschii J. M. F. Tsang JT Olds Jerin Peter George Jessamyn Smith Joe Doherty Joe Jevnik Jon Chappell Jon Dufresne Joseph Tate Josh Williams Judson Neer Julian Berman Julien Voisin Justas Sadzevičius Kassandra Keeton Kjell Braden Krystian Kichewko Kyle Altendorf Lars Hupfeldt Nielsen Leonardo Pistone Lewis Gaul Lex Berezhny Loïc Dachary Lorenzo Micò Manuel Jacob Marc Abramowitz Marc Legendre Marcelo Trylesinski Marcus Cobden Marius Gedminas Mark van der Wal Martin Fuzzey Mathieu Kniewallner Matt Bachmann Matthew Boehm Matthew Desmarais Matus Valo Max Linke Michael Krebs Michał Bultrowicz Michał Górny Mickie Betz Mike Fiedler Nathan Land Naveen Yadav Neil Pilgrim Nikita Bloshchanevich Nils Kattenbeck Noel O'Boyle Oleh Krehel Olivier Grisel Ori Avtalion Pablo Carballo Pankaj Pandey Patrick Mezard Peter Baughman Peter Ebden Peter Portante Phebe Polk Reya B Rodrigue Cloutier Roger Hu Ross Lawley Roy Williams Russell Keith-Magee Salvatore Zagaria Sandra Martocchia Scott Belden Sebastián Ramírez Sergey B Kirpichev Sigve Tjora Simon Willison Stan Hu Stefan Behnel Stephan Deibel Stephan Richter Stephen Finucane Steve Dower Steve Leonard Steve Oswald Steve Peak Sviatoslav Sydorenko S. Y. Lee Teake Nutma Ted Wexler Thijs Triemstra Thomas Grainger Titus Brown Valentin Lab Ville Skyttä Vince Salvino Xie Yanbo Yilei "Dolee" Yang Yury Selivanov Zac Hatfield-Dodds Zooko Wilcox-O'Hearn