Affine

AFFiNE is an open-source, privacy-focused workspace for individuals, knowledge workers, and teams that combines documents, whiteboards, and databases into a single infinite canvas.

Key capabilities include:

• Block-based docs for structured writing, with modular blocks and multiple views such as page mode, tables, and Kanban boards
• Edgeless whiteboard canvas for freeform planning and ideation, including sketches, sticky notes, shapes, mind maps, and embedded content
• Knowledge organization and collaboration with bidirectional linking, tags, and real-time collaboration
• Local-first data model with full offline support, plus optional cloud sync and self-hosting for teams that want control over storage

Pricing: Free (open-source). Optional cloud sync includes 10GB free; self-hosting is available.

Notable for merging doc editing and a whiteboard into one workspace while staying local-first and privacy-focused, making it a practical alternative to tools like Notion, Miro, and Airtable for note-taking, mind mapping, and project planning.