https://github.com/e14n/pump.io/wiki/User-Guide (everyone's welcome to help extend it)
And since his account is on identi.ca, these are some notes for people who knew it when it was still StatusNet-based (otherwise they couldn't have an account there now): https://identi.ca/jankusanagi/note/IpfiW7kBQYuXt6H7odMzQQ
Iván Ruvalcaba likes this.