You must accept the UM Open Source License before downloading.

View License and Download

Are you a user?

Follow these steps to start using OpenSIMPPLLE:

1. Install the Java Runtime Environment
2. Download OpenSIMPPLLE
3. Extract the zip file
4. To run, double-click the .jar file or right-click and open it with Java

You can verify that Java is installed by visiting the online verification page or opening a command prompt and entering java -version.

Are you a developer?

OpenSIMPLLE is a community project with a version control repository hosted on Bitbucket.

• Learn how to get started with development through the wiki
• View current bugs and proposals in the issue tracker
• Communicate with the development team on Slack