The Chapel Language

June 11, 2026 ยท View on GitHub

.. image:: https://chapel-lang.org/img/Chapel-HPSF-logo-draft.png

The Chapel Language

What is Chapel?

Chapel is a modern programming language designed for productive parallel computing at scale. Its design and implementation have been undertaken with portability in mind, permitting it to run on the CPUs and GPUs of laptops, desktops, commodity clusters, and the cloud, in addition to the high-end supercomputers that Chapel was designed for.

For more information about Chapel, see its website at https://chapel-lang.org

License

Chapel is developed and released under the terms of the Apache 2.0 license, though it also makes use of third-party packages under their own licensing terms. See https://chapel-lang.org/license/ or the <LICENSE>_ file in this directory for details.

Resources

For more information about Chapel, please refer to the following resources:

.. NOTE If you are viewing this file locally, we recommend referring to doc/README.rst for local references to documentation and resources.

===================== ====================================== Project website: https://chapel-lang.org Try Chapel online: https://chapel-lang.org/tryit/ Install Chapel: https://chapel-lang.org/download/ Sample computations: https://chapel-lang.org/docs/examples/ Chapel documentation: https://chapel-lang.org/docs/ GitHub repository: https://github.com/chapel-lang/chapel Discussion forums: https://chapel-lang.org/forums/ Social media: https://chapel-lang.org/socials/ Chapel Community: https://chapel-lang.org/community/ ===================== ======================================

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