: Approximately $129.00 for a one-time payment.
The current version of StarUML (including v5.0.0 and newer) is proprietary software. You can download and use it legally without an activator by following these steps: StarUML 5.0.0 (x86-x64) Activator Free Download
: You can download StarUML 5.0 (the open-source legacy version) from SourceForge . : Approximately $129