Web Applications in Python
Numerous widely-deployed Web applications have been written in Python, some employing technologies found on the WebFrameworks page, others providing much of the technology themselves (and potentially spawning a new framework later on in their existence). The following lists comprise a non-exhaustive collection of such Web applications.
Note that Internet sites "powered by Python" which aren't downloadable and redeployable should be listed elsewhere (see WellKnownPythonPrograms) - this page is concerned with applications which can be downloaded, studied, customised, run locally, run on an intranet or on the Internet, or used as the basis for other applications.
Administration
SchoolTool - school administration
Blogging
Pelican - generate static webpages from Markdown or reStructuredText
The PythonBlogSoftware page contains a list of blogging-related applications, some of which are Web-based.
PyCS - Python Community Server
PyDS - Python Desktop Server
Forum (message board)
Askbot - Q&A software using Django
FlaskBB - forum software using Flask
PyForum - Forum System based on web2py ( can run on Google App Engine )
Information Management
Invenio - a digital library solution with search engine capabilities
Mail Reading
Media Management
Activae DAM - A web based Digital Asset Management system
MediaCore Video Platform - A web based video and audio platform built on Pylons
Scheduling
Indico - for the scheduling and organising of conferences
SchoolBell - a calendar management system for small organisations
Search Engines
searx - a metasearch engine which aggregates results from more than 70 search services
Social Media
Socialhome - using Django, and federated using the Diaspora protocol
Software Development
AppWsgi - illustration of ajax applications with a python3 wsgi server
FSCSI - a syntax aware source code tree search web interface (follow link on demo to source download).
Mailman - a mailing list manager with a Web front-end
Roundup - an issue tracker with a Web front-end
Trac - a combined issue tracker, Wiki and Subversion source code browser
ViewVC (formerly known as ViewCVS) - a CVS and Subversion source code browser
Web Browsers
qutebrowser - a PyQt based web browser that supports WebKit and QWebEngine
Wikis
The PythonWikiEngines page contains an extensive list of Wiki applications, some of which are widely deployed on the Internet.
Editorial Notes
The above lists should be arranged in ascending alphabetical order - please respect this when adding new entries. If, as the developer of a listed application, you disagree with the classification of the work, please move it into the appropriate category or create a new category, respecting the ascending alphabetical order of the categories. When specifying release dates please use the format YYYY-MM-DD.