kshana

Open, validated, reproducible PNT-resilience simulator spanning the full positioning, navigation & timing stack — orbit, clocks, INS, GNSS, integrity, resilience, lunar/cislunar & deep-space nav — plus quantum-vs-classical models. Runs as a Rust lib/CLI, Python, in-browser (WASM), an MCP server / Claude Code plugin, and a JetBrains plugin.

GitHub

Official source

Start locally with the CLI guide