Open Source

The Concurnas programming language is licensed under the MIT License. The "language" consists of the compiler, runtime, standard library and utilities. See below for exceptions.

MIT License

Copyright (c) 2018 Concurnas Ltd.

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.

Exceptions

The Concurnas programming language makes use of the following libraries/code which have their own licenses as follows:

  • ANTLR. Parser generator. [BSD]
  • Kilim. Runtime Fiberization. [MIT]
  • ASM. Bytecode generation and runtime transformation. [BSD]
  • JoCL. OpenCL bindings. [MIT]
  • JimFS. Test file mocking. [Apache]
  • Guava. Various areas. [Apache]
  • JLine. REPL Support. [BSD]
  • Jansi. REPL Support. [Apache]

Developer's Certificate of Origin

All contributors to Concurnas must formally agree to abide by the certificate of origin by signing on the bottom of that document. To contribute:

  1. Fork the Concurnas github repository
  2. Make your changes
  3. [first time contributors]: sign contributors.txt by adding your github userid, full name, email address (you can obscure your e-mail, but it must be computable by human), and date.
  4. Commit your changes
  5. Send a pull request
  6. After you have signed once, you don't have to sign future pull requests. We can merge by simply checking to see your name is in the contributors file.