Lucidchart is a web-based proprietary platform that allows users to collaborate on drawing, revising, and sharing charts and diagrams.
Starting from $7.95/month
Best Mermaid Alternatives ranked by AI · updated Aug 2026
Mermaid is an open-source diagramming and charting tool that generates flowcharts, sequence diagrams, and other visuals from text-based syntax. It is aimed at developers and documentation teams that want diagrams stored alongside code.
Top 6 Mermaid alternatives
PlantUML is an open-source tool that allows users to create UML diagrams from plain text descriptions.
GanttProject is a free and open-source project management software based on Gantt charts. It allows users to create tasks and milestones, organize...
Graphviz is open source graph visualization software. It helps in visualizing structural information such as connected data and abstract graphs.
Creately is a web-based diagramming tool that allows users to create various types of diagrams such as flowcharts, mind maps, and wireframes.
Starting from $5 per month
Miro is an online collaborative whiteboard platform designed to enable remote teams to work effectively together.
Starting from $8 per user per month
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