Gemini protocol documentation
Resources for users
Project Gemini FAQ
A quick introduction to "gemtext" markup
Gemtext cheatsheet
Resources for developers
Specifications
Formal specification of network protocol
Formal specification of hypertext format
Companion specifications
Understanding and implementing
A combined overview of the network protocol and hypertext format
Best practices for Gemini implementers
A gentle, Gemini-centric guide to TLS certificates
Translations
Volunteer translations of the above documents into other languages