Here is a list of all modules:
| core library | The CORE library contains all basic GIS functionality |
| gui library | The GUI library is build on top of the CORE library and adds reusable GUI widgets |
| analysis library | The ANALYSIS library is built on top of CORE library and provides high level tools for carrying out spatial analysis on vector and raster data |
| network analysis library | The NETWORK_ANALYSIS library provides high level tools for building network topologies and analysing them |
| server library | The SERVER library is built on top of the CORE library and adds map server components to QGIS |
| plugin classes | Contains classes related to implementation of QGIS plugins |