| Tool | Description | License | |------|-------------|---------| | | Text-to-diagram UML; integrates with VS Code, docs-as-code workflows | GPL | | draw.io (diagrams.net) | Diagramming with UML shapes; desktop or web | Apache 2.0 | | Gaphor | Lightweight UML modeling for Linux/macOS/Windows | GPL | | UMLet | Fast, sketchy UML tool with Eclipse/standalone versions | GPL | | Modelio | More advanced, supports profiling and BPMN | GPL (Open edition) | | Papyrus | Eclipse-based, very rich UML/SysML | EPL |
If you need a truly free and open-source UML tool, consider these (all available on GitHub): staruml free github
Modifying license-manager.js to force the checkLicenseValidity() function to always return "true". integrates with VS Code
Here’s a concise write-up about (which is not free for commercial use) and its relationship with GitHub — including free/open-source alternatives often found there. staruml free github