draw.io

draw.io (diagrams.net) is a cloud-based diagram tool that’s free and easy to use. With drag-and-drop shapes, templates, and robust flowcharting capabilities, it supports brainstorming and visual idea organization. Collaborate in real-time, import/export data, store documents, and manage tasks within workflows. draw.io integrates with popular platforms, enabling teams to swiftly create and share diagrams, improving communication, understanding, and efficiency in projects of all sizes.