Purchasing a StarUML license key is more than just removing a watermark—it supports the continued development of a tool that offers advanced features like , C# and Python code generation , and Model Driven Architecture (MDA) support.
: StarUML does not currently offer floating licenses for concurrent users; licenses must match the number of devices where the software is installed. Pricing Tiers
A StarUML license key is a unique alphanumeric string provided to users upon purchasing a software license. StarUML operates under a proprietary licensing model. Although you can download and use the software for free without a time limit, it is not open-source or entirely free software. The license key serves two primary functions: License Key Staruml
StarUML is a powerful software engineering tool for designing system architecture using the Unified Modeling Language (UML), as well as more recent notations like SysML, entity-relationship diagrams (ERD), and cloud architecture templates for AWS, GCP, and Azure. It is developed by the South Korean company MKLabs and runs seamlessly on Windows, macOS, and Linux. The tool has evolved significantly over the years, originally beginning as an open-source project under a modified GPL license before being rewritten and commercialized starting with version 2.0.0.
To activate your license, follow these steps within the application: Open the menu. Purchasing a StarUML license key is more than
As of , the software has transitioned to a device-based licensing model . This means each license key is tied to the number of specific devices (computers) on which the software is installed, rather than a per-user account. Current Pricing (V7)
StarUML is a powerful, fast, and modern software modeling tool that supports UML (Unified Modeling Language), SysML, and various other diagrams. Whether you are a professional software architect or a student learning system design, StarUML provides a seamless experience for creating high-quality diagrams on Windows, macOS, and Linux. StarUML operates under a proprietary licensing model
The StarUML license key is a digital credential that unlocks the full potential of the software, moving it from an evaluation state to a fully registered version. While the software offers a generous evaluation period with no strictly enforced time limit, purchasing a license is a requirement for continued professional and commercial use. Understanding the StarUML Licensing Model
Go directly to the official StarUML purchase page.