Daniel Greenfeld and Audrey Roy are best known for their open-source community leadership work on the following projects:
- DjangoPackages.com and the OpenComparison framework, running the largest sprint at PyCon 2011.
- Cookiecutter, a Python package for generating projects from project templates.
- Cookiecutter-pypackage, a project template for creating advanced python projects.
- Cookiecutter-Django, a project template for creating advanced Django projects.
- PyLadies, a women's outreach/mentorship group. Nurturing the group was basically a 2nd fulltime job for them in 2011.
- The first ever PyCon Philippines, a 300-person conference about the Python programming language held in the Philippines.
- The LA Open Source Hackathon event series, which brings together open-source developers from different programming backgrounds.
They do Python and Django development and run a small Python/Django consulting shop called Cartwheel Web. They've spoken at dozens of conferences and have given keynote speeches at DjangoCon Europe, EuroPython, PyCon Poland, PyCon Philippines, PyCon Australia, and PyCon New Zealand.