The following is a selected list of free and open source UML 2.x modeling tools and plugins, which are typically free to use for personal use subject to open source licensing conditions. For a list of commercial UML modeling tools and plugins, please see the Commercial UML Tools section.
Free & Open Source UML Tools
- Modelio Free Edition
- Source: Modelio Open Project
- Source: TOPCASED Modeling Framework Open Source Project
- Papyrus for UML
- Source: Papyrus Open Source Project