booyaka.com: VMU Development: Tools, saved games, mini-games, discussions, technical information and downloads for the Dreamcast Virtual Memory Unit.
Sega dreamcast VMU development tools: Focused on Dreamcast VMU development. Information, tools to download, and examples.
The Dreamcast Browsers Group: Only place to find browser add-ons scripts (run from the VMU) for the Dreamcast Browsers. Also the home of the world's first open-source VMU file uploader.
VMU demo and game development: Information and software for DC Visual Memory Unit.
VMU Script Compiler: VMU Script is a new language for the VMU that compiles to assembler. It is powerful and easy to program.
VMU Space Invaders: The site contains the VMU Space Invaders game. Also has free source code to the game as well as useful VMU programming links.