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Chi is a modeling language and toolset to analyze the performance of discrete event systems through simulation.

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Powerful language

Chi features an imperative modeling language that is easy to use for non-experts and powerful for advanced users.

Analysis made easy

Effortlessly verify performance properties for large systems through simulation and experimentation support.

Proven technology

Chi is based on decades of successful industrial systems analysis experience and comes with extensive tutorials and documentation.

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Getting started

The Chi tooling is part of the Eclipse ESCET toolkit.

It is available for Windows, Linux and macOS, portable and ready to go.

Eclipse ESCET IDE with Chi


Learn more about Chi from the extensive documentation that covers both the Chi language and tools:

Eclipse ESCET

Chi is part of the Eclipse ESCET open-source project. Learn more about the project and toolkit: