This topic is always a work in progress

Documentation for (app) developers is somewhat scattered.
This Topic is intended to provide an overview:

Mainly technical documentation for the installation and configuration of EGroupware and other integrable applications such as Collabora Online, Rocket.Chat, Guacamole, … :

GitHub EGroupware Wiki97

The REST API is also described there:

EGroupware Etemplate development docs

The most documentation is inserted in the source code. Here are some (important) points:

• first
• second
• third

Topics:

VFS/SMB

Port to et2
The documentation to port etemplete applications to etemplate2:

Code Corner
These documents are outdated, but not useless.
Special thanks to Nicklas (Nilpferdschaf) for his work.

Code-corner EGroupware-Wiki59

Code-Corner Nilpferdschaf32