tldraw

Collaborative virtual whiteboard with a hand-drawn feel. Open-source Miro/Figma FigJam alternative — real-time collaboration, offline support, and end-to-end encrypted rooms.

Open-source all-in-one workspace — docs, kanban, and whiteboards in one canvas. Local-first, privacy-focused Notion + Miro alternative. Everything is editable, even the schema. Documents and whiteboards are two views of the same content, so a note can become a diagram without being copied.

Free, open-source diagramming tool. Flowcharts, network diagrams, UML, floor plans. Works offline, saves to Google Drive/GitHub/local. Widely used in enterprises as a Visio alternative. Files stay in the .drawio XML format, so a diagram remains editable years later without the tool that made it.

Simplify documentation and avoid heavy tools. Open source Visio Alternative. Commonly used for explaining your code! Mermaid is a simple markdown-like script language for generating charts from text via javascript.

End-to-end encrypted office suite — docs, spreadsheets, kanban, code pads. No account needed for guest use. Hosted in France, GDPR-native. The privacy-first Google Docs alternative.

Strumfolio is a web app for musicians to manage their song repertoire. It provides lyrics and chords with transposition, notation, and auto-scroll features. Users can import songs, edit them visually, and customize display options for performing. Strumfolio allows sharing a live song experience with others.