= Well-known Python Programs =

Some well-known programs that are written, partially or completely, in Python:

== Web and Internet Applications ==

See also the [[WebApplications|Web Applications]] page.

 * [[http://www.gnu.org/software/mailman/index.html|Mailman]]
 * [[http://www.bittorrent.com/|BitTorrent]]
 * [[http://sourceforge.net/projects/moin/|MoinMoin]]
 * [[http://spambayes.sourceforge.net/|SpamBayes]]
 * [[http://www.clamwin.com/|ClamWin]]
 * [[http://www.zope.org|Zope]]

=== Powered by Python ===

Some high-profile Web sites are implemented in Python, according to various reports:

 * [[http://www.reddit.com/|reddit.com]] - [[http://www.aaronsw.com/weblog/rewritingreddit|written using web.py]]
 * [[http://www.jot.com/|JotSpot]] - [[http://twistedmatrix.com/trac/#GoogleUsesTwisted2006-10-31|"Google has acquired JotSpot, a company that makes use of Twisted"]]
 * [[http://doggdot.us/|diggdot.us]] - with Turbogears under the hood.
 * [[http://youtube.com|youtube.com]]
 * [[http://www.yelp.com/|Yelp]]

== Version Control ==

 * [[http://www.selenic.com/mercurial/|Mercurial]]
 * [[http://bazaar-vcs.org/|Bazaar]]
 * [[http://www.viewvc.org/|ViewVC]] (formerly ViewCVS) - a repository browser for CVS and Subversion
 * [[http://cvs2svn.tigris.org/|cvs2svn]] - the CVS to Subversion repository converter
 * Two bug trackers: [[http://trac.edgewall.org/|Trac]] and [[http://roundup.sourceforge.net/|Roundup]]

== Historical Python Applications ==

Historically (these have all been rewritten at some point after acquisition):

 * Yahoo Mail started out as 411 mail which was all Python
 * Yahoo Groups started out as egroups which was all Python
 * Microsoft Commerce Server started out as eShop which was all Python (Yes, Microsoft acquired Python-based software!)
 * Google's first crawler was written in Python

See also lists at [[http://pythonology.org/spotting]], [[http://www.python.org/about/projects/]], [[http://pythonsource.com]]

Related topics:

 * AppsWithPythonScripting
 * PythonForSystemsAdministration

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CategoryAdvocacy