DBits gives direct access to the raw bits that make up a bitmap. It helps with DirectDraw, DIBSections, palette management and animation, and mode-changing.
This expert lets you browse through the components that make up the IDE itself, and spoof click menu items and buttons.
Tool Servies are the interface with which experts communicate with the IDE. You will find yourself using Tool Servies when you write your own experts. This utility is designed to help you familiarise yourself with their behaviour and functionality.
The Tool Services in BCB let you add experts, menu items etc. to the IDE: this Tool Services Browser lets you experiment with the API visually before having to code it yourself.
OpenGL components for multiple Installable Client Drivers (ICD).
A New Saver wizard to make it easy to write screen savers. Also with some components, source code for lots of example savers, extensive tutorials and documentation. | 
