Draw.io

Draw.io (also known as diagrams.net) is a versatile, free, and privacy-focused diagramming tool that enables anyone to create flowcharts, mind maps, wireframes, network diagrams, UML diagrams, and more — all within a streamlined, browser-based experience. No sign-up required. The tool is ideal for individuals and teams looking for a flexible and fast way to visualize ideas, processes, or systems. Users can save diagrams directly to cloud services like Google Drive, OneDrive, Dropbox, and even GitHub — making collaboration and version control seamless. One of draw.io’s key strengths is its broad integration ecosystem. It works natively with platforms like Notion, Confluence, and Atlassian Jira, allowing teams to embed and manage diagrams directly in their workflows. Whether you're documenting software architecture in a wiki, mapping out ideas in Notion, or managing projects visually in Jira, draw.io fits right in. With rich template libraries, custom shape collections, and full offline support, it's ideal for developers, designers, educators, and business professionals alike. And as an open-source solution, it’s transparent, secure, and constantly improving. Whether you're brainstorming or documenting at scale — draw.io gives you the canvas to think and build visually.