rb-async-queue-watch — GSource for watching a GAsyncQueue in the main loop
rb-debug — debugging support functions
rb-file-helpers — An assortment of file and URI helper functions
rb-builder-helpers — helper functions for dealing with GtkBuilder files
RBStringValueMap — specialized hash table for storing string to GValue mappings
rb-tree-dnd — multi-row drag and drop support for GtkTreeViews
rb-util — assorted utility functions
rb-text-helpers — text direction (LTR/RTL) functions