The reference docs detail how to use the logging APIs and the viewer.

• Types - archetypes, components, and datatypes
• Viewer - the Rerun Viewer UI
• CLI manual - command-line interface reference
• Python APIs - Python SDK reference
• Rust APIs - Rust SDK reference
• C++ APIs - C++ SDK reference
• Web Viewer API - JavaScript/TypeScript web viewer API
• Migration - guides for upgrading between versions