Open-source alternatives to Miro

Virtual whiteboard for hand-drawn diagrams — Virtual whiteboard for sketching hand-drawn like diagrams

↔ alternative to Miro、FigJam、Lucidchart

Local-first knowledge base combining docs and whiteboard — There can be more than Notion and Miro. AFFiNE(pronounced [ə‘fain]) is a next-gen knowledge base that brings planning, sorting and creating all together. Privacy first, open-source, customizable and ready to use.

↔ alternative to Notion、Miro

Simple free online collaborative whiteboard. — Online collaborative Whiteboard that is simple, free, easy to use and to deploy

↔ alternative to Excalidraw、Miro、OpenBoard Whiteboard

Infinite canvas for agents, tasks, and notes — Your infinite canvas workspace for agents, tasks, knowledge, and research. An infinite canvas for Claude Code, Codex, terminals, tasks, and notes.

↔ alternative to Miro

Real-time collaborative whiteboard with media support — Spacedeck, a web based, real time, collaborative whiteboard application with rich media support

↔ alternative to Miro、Mural