Top 13 products relevant to UML Diagrams

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.

Open Source

Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.

Open Source freemium $7.0 / Monthly

Create diagrams and visualizations using text and code.

Open Source

Astah UML is a modeling software providing businesses with a sumptuous approach in order to have detailed process analysis and operation management.

paid Free Trial $6.99 / Monthly

The C4 model for visualising software architecture. Context, Containers, Components, and Code.

Open Source

gg is a free online diagram editor for flowcharts, process diagrams and network diagrams. It is also a light software architecture simulator.

Open Source freemium

Astah is a software design tool which supports UML, ERD, DFD, Flowchart, Mindmap and more. .

paid Free Trial $11.99 / Monthly

The scxml state machine to c++ compiler.

JavaScript based diagramming tool that renders Markdown-inspired text definitions to create and modify sequence diagrams dynamically.

Diagramly is an innovative tool that uses artificial intelligence to convert text descriptions or images into editable diagram code.

Altova offers a complete line of desktop developer software for XML, JSON, SQL, and UML; high-performance workflow automation server products; and a cross-platform mobile development platform.

Interactive system architecture diagrams for cloud, software, platform, and security engineers.

freemium

A modern AI-first PlantUML diagram editor.