- Colors — Color management and manipulation.
- Key Bindings — Pool for key bindings
- ClutterDeviceManager — Maintains the list of input devices
- Events — User and window system events
- Features — Run-time detection of Clutter features
- Base geometric types — Common geometric data types used by Clutter
- ClutterInputDevice — An input device managed by Clutter
- General — Various 'global' Clutter functions.
- ClutterPath — An object describing a path with straight lines and bezier curves.
- ClutterSettings — Settings configuration
- Stage Manager — Maintains the list of stages
- ClutterTextBuffer — Text buffer for ClutterText
- Unit conversion — A logical distance unit
- Cairo integration — Functions for interoperating with Cairo
- Utilities — Utility functions
- Versioning Macros — Versioning utility macros