We take pride in providing extremely well documented source code. The evoCore/b2evolution code has more comments than most developers have ever seen. Don't take our word for it, go see for yourself!
Technical documentation is available as part of the b2evolution tech doc about evoCore.
This documentation is automatically extracted from the comments in the source code.
We have a collection of DB schemas for b2evolution which will let you easily understand what tables the framework uses for users, groups, settings, etc.
