open-source
There are numerous open source implementations of microformats in addition to the open source code on microformats.org.
specific implementations
Most specific implementations pages have several open source efforts:
github
Many microformats open source efforts can be found on http://github.com, e.g.
- http://github.com/microformats (several projects)
- http://github.com/benward (several projects)
- http://github.com/ryanking/mfbot/tree/master
From the recent microformatsDevCamp:
- http://github.com/beaulebens/hCard-LDAP-Service/tree/master
- http://github.com/hober/ufdevcamp-ubro/tree/master
- http://github.com/chirags/Friend-Select/tree/master
- http://github.com/reid/upcoming-attendees/tree/master
- http://github.com/singpolyma/hCard-to-Google-Bookmarklet/tree/master
- http://github.com/amccollum/microtron/tree/master
- http://github.com/peliom/mfgae/tree/master
google code
- http://code.google.com/p/microformats/
- http://code.google.com/p/python-microformats/
- http://code.google.com/p/django-microformats/
- http://code.google.com/p/aump/
- http://code.google.com/p/mf-optimus/
independent sites
- http://mobileonlinebusiness.com.au/uf/vCard_to_hCard_converter.html
- license is GPL (v2) - view source on the page.