draw.io Diagram Drawing Tool

draw.io (also known as diagrams.net) is a free, open-source diagramming application for creating flowcharts, process diagrams, org charts, UML, ER diagrams, network diagrams, wireframes, and other visual representations. Originally created by JGraph in 2004 as mxGraph (a JavaScript diagramming library), the web-based draw.io application was launched in 2015 and rebranded as diagrams.net in 2020 while maintaining the draw.io name. Key features: extensive shape libraries including flowchart shapes, UML, BPMN, AWS, Azure, GCP, Cisco network shapes, mockups, floor plans, mind maps, Venn diagrams, and hundreds more. Flexible diagram creation with drag-and-drop shapes, connectors with automatic routing, text labels, styling (colors, fonts, shadows, opacity), layers, and custom shapes. Multiple export formats including PNG, JPEG, SVG, PDF, HTML, VSDX (Visio), and XML for embedding diagrams in documents and presentations. Version control integration with Git, GitHub, GitLab, and Google Drive for storing diagrams as XML files alongside code, enabling collaborative editing and version history. Google Drive, OneDrive, Dropbox, and local storage integration for cloud-based diagram management. Confluence, Jira, Notion, and SharePoint integrations via the draw.io app for embedding editable diagrams in documentation. Real-time collaborative editing via Google Drive shared editing. PlantUML and Mermaid integration for generating diagrams from text descriptions. Templates library with pre-made diagram templates for common use cases. Container shapes with swim lanes and expandable sections. Custom shape creation via XML. Multi-page diagrams with page-level tabs. Find and replace for text across all shapes. Math typesetting via MathJax. Print and PDF export with customizable page sizes and margins. Browser-based requiring no installation, with offline desktop versions available for Windows, macOS, and Linux.