One of the most popular alternatives to SmartDraw is draw.io, which is free and open source. Other popular alternatives are Excalidraw, LibreOffice - Draw, yEd Graph Editor and Dia. You're spoiled for choice with Diagram Editors like SmartDraw: we list more than 50 alternatives for the web, Windows, Mac, Linux and iPad.
Sketch, walk through, and share system design flows. Drag components, connect them, and present each interaction step by step — no account needed to try.
India
OrgChartDesk is a chart-first org chart builder. Build a polished chart in minutes - drag-drop reporting lines, color-coded departments, 10 designed themes plus AI styling - and export print-ready PNG, PDF, or PowerPoint.
ExcalidrawZ is a native Excalidraw client for Mac, iPad, and iPhone, designed for hand-drawn whiteboards, diagrams, sketches, visual notes, and technical explanations.
China
A diagram editor for architecture, process and software diagrams. Runs in the browser or as a desktop app and saves diagrams as readable YAML.
Portugal
EU
Holori diagramming tool helps DevOps and Cloud Architects design their architecture, estimate its cost and turn their dreamed architecture into a live infrastructure.
