: Because the modern app is built on Electron, it is "hackable" using JavaScript. Many users share custom scripts and plugins via GitHub Gists to add specific functionalities or bypass trial restrictions. Feature Comparison: Standard vs. Professional Starting with version 6, StarUML split its features into two tiers: Feature Tier Included Diagrams & Tools Standard UML 2.x, ERD, Flowcharts, Data Flow (DFD), Mindmaps, C4 Model. Professional Everything in Standard + SysML, BPMN, UI Wireframes, AWS/GCP/Azure Cloud Architecture. Community-Driven "Free" Solutions on GitHub For those seeking a truly free, open-source experience similar to StarUML, GitHub hosts several highly-regarded alternatives: WhiteStarUML
Here’s a concise write-up about StarUML (which is not free for commercial use) and its relationship with GitHub — including free/open-source alternatives often found there.
StarUML & GitHub: Licensing, Free Options, and Alternatives What is StarUML? StarUML is a popular desktop modeling tool for UML (Unified Modeling Language), supporting diagrams like class, sequence, use case, activity, deployment, and more. It runs on Windows, macOS, and Linux. Is StarUML Free?
No – StarUML is commercial software . staruml free github
A free evaluation mode exists but limits some features and adds a watermark. A paid license (around $99) is required for full, unrestricted use.
StarUML on GitHub
Official repo : staruml/staruml
Contains the source code of StarUML?
No – The repository only holds documentation, issue tracking, extension samples, and build scripts . StarUML’s core is not open source — it’s proprietary.
However, StarUML supports extensions , and many community-made extensions are hosted on GitHub. : Because the modern app is built on
Free Open-Source UML Tools on GitHub If you need a truly free and open-source UML tool, consider these (all available on GitHub): | Tool | Description | License | |------|-------------|---------| | PlantUML | 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 | Summary
StarUML is not free for professional use. Its official GitHub is for issue tracking and extensions , not source code. For a free, open-source UML tool , use PlantUML, draw.io, or Gaphor (all on GitHub).
