Gambas/libraries

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 [1] for reading and writing XML documents

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