OpenSim Creator

Empowering model development for biomedical research.

Develop and learn from your biomechanical models. OpenSim Creator is free, open source, software that helps you visually build, edit, and simulate OpenSim models.

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Latest News

0.7.1 Released

0.7.1 is a patch release that fixes the desktop icon in the Ubuntu (.deb) package (whoops) and adds a splash page link to our recently published JOSS article. Please cite the article if you can: it’s a straightforward way for us to measure impact and justify funding further development!

13 Jan 2026

0.7.0 Released

Externally, 0.7.0 is a minor update that adds additional scaling steps (and options) to the model warping workflow to help with complex warping requirements, improves macOS and Debian/Ubuntu packaging, and includes a few quality-of-life changes and bug fixes.

7 Jan 2026

0.6.2 Released

0.6.2 adds initial tooling support for OpenSim’s upcoming/experimental Scholz2015GeometryPath component, order-independent transparency (OIT) rendering, and MSI/portable installers for Windows.

3 Nov 2025

0.6.1 Released

0.6.1 is a minor release that fixes a few minor issues in the “Make a Leg” and “The Model Warper” documentation tutorials and fixes a bug in the model warper. Additionally, the MacOS and Windows installers are now signed by the developer, which should make them easier to install.

10 Oct 2025


Features

Visual Model Building

The mesh importer screen in OpenSim Creator enables people to visually build an OpenSim model from scratch.

Integrated Model Editing

The editor screen in OpenSim Creator enables researchers to edit OpenSim models both in the UI itself and in external tools such as text editors.

Free and Open Source

OpenSim Creator is entirely open source and uses a permissive Apache 2.0 license, which empowers innovators to use it however they want.

View GitHub

Compatible with OpenSim

OpenSim Creator uses the OpenSim API directly, which makes it very compatible with the existing OpenSim infrastructure, including existing model files.

View OpenSim Source View OpenSim Models Repository