There is a Telegram group where you can reach the commity: https://t.me/noosferodev.
Don't be shy to hop in and ask for questions.
The following documentation is available:
File Purpose
----------------------- --------------------------------------------------------
DEVELOPMENT.md instructions about the development process
INSTALL.md install instructions
INSTALL.awstats.md install instructions - access statistics service
INSTALL.chat.md install instructions - chat service
INSTALL.email.md install instructions - email service
INSTALL.multitenancy.md install instructions - multiple sites
INSTALL.varnish.md install instructions - varnish HTTP caching (recommended)
HACKING.md development instruction
RELEASING.md instructions for doing releases
doc/noosfero/* user documentation (available through the app itself)
Authorship and copyright information is available in the files listed below.
File Purpose
-------------------- -----------------------------------------
AUTHORS.md list of authors (updated at each release)
COPYRIGHT Copyright statement for the project
COPYING Full text of the project license