Libraries are called "components" in the Gambas documentation.
- gb: internal native classes
- gb.db handles database operations
- gb.gtk handles forms under GTK+ (alternate graphical library)
- gb.gui uses either gb.qt or gb.gtk, depending on what the desktop is currently using
- gb.qt handles forms under Qt (default graphical library)
- gb.qt4 same as gb.qt, but specific to version 4 of Qt
- gb.xml for reading and writing XML documents