* [PathView v0.15.0](https://github.com/pathsim/pathview) – Web-based visual node editor for building and simulating dynamic systems using in-browser Python via Pyodide with optional Flask backend.

* [OSRD v1.2.16](https://github.com/OpenRailAssociation/osrd) – Web application for railway infrastructure design, capacity analysis, timetabling and simulation.