Links:
[1]: Buildbot: One, Two, Three, Four
[2]: Some important patches (Sympy) : One, Two, Three, Four
[3]: Sympy GSoc: Majority of code, Official link
[4]: Mercurial: One, Two, Three, Merged Patch
[5]: Servo: Merged PR
[6]: Joomla: Several PRs
[8]: Django, Patch
[9]: SimpleCV : One, Two, Three, Four
[10]: django-browserid, Patch