Hello! The followings are pointers to different parts of the Redis Documentation.
The README is the best starting point to know more about the project.
This short Quick Start provides a five minutes step-by-step istructions on how to download, compile, run and test the basic workings of a Redis server.
The command reference is a description of all the Redis commands with links to command specific pages.
The Protocol Specification is all you need in order to implement a Redis client library for a missing language. PHP, Python, Ruby and Erlang are already supported.