Backend modules
TYPO3 CMS has a number of ways of adding custom functionality to the backend. They are described in this chapter.
Backend module API
See the API about classes and configuration for backend modules.
Backend module configuration examples
How to register modules provided by extensions.
Create a module with Extbase
How to create a module using Extbase and Fluid - the best option if you need to do lots of data modelling.
Create a module with Core functionality
How to create a module without Extbase (you can still use Fluid but with some limitations). The best option if you don't need to do any data modelling.
Security Considerations
Explores web application security considerations around developing modules for the backend user interface.
Tutorials
A video series from Susanne Moog demonstrating how to register and style a TYPO3 backend module.