General
Manifold - official web site
Manifold User Manual - online documentation
Manipedia - Manifold encyclopedia maintained by Patrick Weber
Manifold-L - Manifold mailing list hosted by Directions Magazine
Source Code
Script examples (ZIP) - MAP files with script components
Web site examples (ZIP) - complete web sites
Services
Distributed Geospatial Solutions - AtlasAlive! geo-hosting framework and more
GIS Advisor - Manifold training videos and more
MapServing - easy sharing of Manifold maps over the web and more
Threads of Note
FAQ - Manifold System - getting updates, getting training
FAQ - General - forum etiquette, reporting bugs and suggesting features
FAQ - Scripting - using object model
FAQ - Forum - using post editor, attaching files, getting mentioned on the Links page or on the home page, etc
Very New GIS User - why choose Manifold? how to start?