All the Beemind.me and Nectar integration’s are open source:
- Google Fit
- Trello
- Beeminder
- Quizlet
- Austin Bcycle
- Stack Overflow
- Typeracer
- Flickr
- Wikipedia
- World Community Grid
The Nectar web and mobile apps provide a framework in which developers can easily create new integrations and add metrics to the 32 existing integration providers. There are detailed instructions here (click on the third “Developers”) if you are interested.