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License

XTK is released under the MIT License.

MIT License

Copyright (c) 2025 Alex Towell

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

What This Means

The MIT License is one of the most permissive open source licenses. It allows you to:

  • ✅ Use XTK commercially
  • ✅ Modify the source code
  • ✅ Distribute your modifications
  • ✅ Sublicense the code
  • ✅ Use XTK in proprietary software

The only requirements are:

  • Include the license and copyright notice in your distributions
  • Don't hold the authors liable

Third-Party Licenses

XTK depends on the following third-party packages:

Rich

  • License: MIT License
  • Copyright: Copyright (c) 2020 Will McGugan
  • Purpose: Terminal formatting and visualization in the REPL
  • Repository: https://github.com/Textualize/rich

Contributing

By contributing to XTK, you agree that your contributions will be licensed under the same MIT License.

See CONTRIBUTING.md for more details on contributing to XTK.

Questions?

If you have questions about the license, please open an issue on GitHub.