Open-source Diagramming tools

4 open-source diagramming tools. All diagramming tools →

P PlantUML Open-source tool for creating UML diagrams from plain text descriptions. Free Mermaid JavaScript-based diagramming tool that renders diagrams from text definitions. Free Draw.io (diagrams.net) Free, open-source diagramming tool that works in the browser with no account needed. Free tldraw Open-source collaborative whiteboard with a friendly interface and embeddable SDK. Free