QGIS API Documentation  3.4.15-Madeira (e83d02e274)
Modules
Here is a list of all modules:
 core libraryThe CORE library contains all basic GIS functionality
 gui libraryThe GUI library is build on top of the CORE library and adds reusable GUI widgets
 analysis libraryThe ANALYSIS library is built on top of CORE library and provides high level tools for carrying out spatial analysis on vector and raster data
 server libraryThe SERVER library is built on top of the CORE library and adds map server components to QGIS
 3D libraryThe 3D library is build on top of the CORE library and Qt 3D framework
 plugin classesContains classes related to implementation of QGIS plugins
 QgsQuick libraryThe QgsQuick library is built on top of the CORE library and Qt Quick/QML framework