Benevolent Dictator for Life
Benevolent Dictator for Life (BDFL) is a title given to a small number of open-source software development leaders, typically project founders who retain the final say in disputes or arguments within the community.
The phrase originated in 1995 with reference to Guido van Rossum, creator of the Python programming language. Shortly after van Rossum joined the Corporation for National Research Initiatives (CNRI), the term appeared in a follow-up mail by Ken Manheimer to a meeting trying to create a semi-formal group that would oversee Python development and workshops.
BDFL should not be confused with the more common term for open-source leaders, "benevolent dictator", which was popularized by Eric S. Raymond's essay "Homesteading the Noosphere" (1999). Among other topics related to hacker culture, Raymond elaborates on how the nature of open source forces the "dictatorship" to keep itself benevolent, since a strong disagreement can lead to the forking of the project under the rule of new leaders.
Examples of people sometimes referred to as Benevolent Dictators for Life
- Richard Stallman, founder of the GNU Project is often thought to be a Benevolent Dictator for Life
- Adrian Bowyer, founder of RepRap project
- Guido van Rossum, creator of Python
- Linus Torvalds, creator of the Linux kernel
- Patrick Volkerding, the creator of Slackware
- Jimmy Wales, founder of Wikipedia 
- Fabio Erculiani, the creator of Sabayon Linux
- Mark Shuttleworth calls himself the "Self-Appointed Benevolent Dictator for Life", or SABDFL, and the Ubuntu community often uses this name to refer to him
- Adrian Holovaty and Jacob Kaplan-Moss, for Django
- Steve Coast, the founder of OpenStreetMap
- Rasmus Lerdorf, the creator of PHP
- Ryan Dahl, the creator of Node.js
- Larry Wall, the creator of Perl
- Ton Roosendaal, creator of Blender
- Dries Buytaert, the creator of Drupal
- Yukihiro Matsumoto, the creator of Ruby
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- Eric S. Raymond. "Homesteading the Noosphere". Retrieved 2008-08-01.
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- Guido van Rossum "Benevolent dictator for life". Linux Format. 2005-02-01. Retrieved 2007-11-01.[dead link]
- Ingo, Henrik (2006). "Benevolent dictator". Open Life: The Philosophy of Open Source. ISBN 978-1-84728-611-6. Retrieved 2011-03-05.
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- "About Ubuntu: Governance". Canonical Ltd. Retrieved 2011-03-05.
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- "BDFL and moderation". opengeodata.org. Retrieved 2010-08-11.
- Marneweck, Jacques (2006-02-28). "Jacques Marneweck's Blog: Rasmus's no-framework PHP MVC framework". Powertrip.co.za. Retrieved 2011-06-01.
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- Randy Fay, "How Do Open Source Communities Govern Themselves?"
- "Ruby’s Benevolent Dictator"