We're currently working on adding all the documentation here, but in the meantime check these out:
Getting Started
FAQ
Demos
Community
Documentation
Downloads
Ecosystem Conventions
Contributor's Guide
Troubleshooting
Layers
Wares, Inputs and Outputs
Formulas and RunRecords
Modules, Plots and Replays
Larks
Things we're not doing
Workspaces
Catalogs
CLI Overview
Catalogs on the Filesystem
Output Discipline