# NautilusTrader > Open-source algorithmic trading platform: a Rust-native core engine with a Python API for > backtesting and live deployment of multi-asset, multi-venue trading systems from a single > codebase. ## Key facts - NautilusTrader is developed by Nautech Systems Pty Ltd. - The open-source engine supports research, backtesting, simulation, and live trading workflows. - The architecture uses an event-driven core, nanosecond timestamps, deterministic replay, and shared engine semantics between backtest and live environments. - Python strategy code runs against performance-sensitive Rust components. - NautilusTrader is trading software only. Nautech Systems is not a broker, dealer, exchange, or financial adviser. ## Site - [Open source](https://nautilustrader.io/open-source/): open-source engine, releases, provenance, and getting started - [Quality](https://nautilustrader.io/quality/): testing, deterministic simulation, benchmarks, and release gates - [Security](https://nautilustrader.io/security/): security policy, responsible disclosure, and supply chain posture - [Stats](https://nautilustrader.io/resources/stats/): public order-flow statistics attributed to NautilusTrader - [Cloud platform](https://nautilustrader.io/cloud-platform/): managed cloud infrastructure and enterprise products - [Institutional](https://nautilustrader.io/institutional/): engagement tier for firms trading at scale - [Blog](https://nautilustrader.io/blog/): release announcements and engineering posts - [About](https://nautilustrader.io/about/): company background and mission - [Legal](https://nautilustrader.io/legal/): terms, policies, disclosures, and trading-risk disclaimer ## Documentation - [Docs index](https://nautilustrader.io/docs/llms.txt): per-page index of the latest documentation with links to raw markdown - [Full docs corpus](https://nautilustrader.io/docs/llms-full.txt): the complete latest documentation as a single text file Raw markdown for any documentation page is served under https://nautilustrader.io/docs/md/.