RJ and I have started testing Hackpad as an additional tool for collaborative documentation. We may be able to integrate it directly into the Farm hack structure, but for now we can embed links to our documents and set permissions at the document level.
Here is a link to some introductory documents to test this concept with
https://farmhack.hackpad.com/Welcome-to-hackpad-the-collaborative-notepad-BxTxx2wq7XV
https://farmhack.hackpad.com/Farm-Hack-Web-Committee-To-Do-List-ftldHkz5YdI
https://farmhack.hackpad.com/ep/group/pp6kSpg9D5V
Hackpad option for collaborative documents
testing hackpad