The Keep Dreaming Project aims to provide the Dreamcast community with an open-source ecosystem for hardware research and development.
All the project planning and repository hosting happens here, mostly
You can check out the project roadmap to get an overview of the project and its current status
The project is divided into several subprojects each with their own workboard so check those out too
All documentation for the project as well as information and research about the Dreamcast can be found in the Documentation
If you want to support the project and/or read my ramblings about the project that's over on Patreon
We also have a Discord server if you would like to join that