OOSMOS License
1. MIT Licensed
2. Contributions
3. Previous Licensing

1. MIT Licensed

OOSMOS is open source software, released under the MIT license. The license covers the entire code base: the core (oosmos.c and oosmos.h), all classes, all examples and the code generator.
The MIT license is short, permissive and business friendly. You may use, modify and redistribute OOSMOS in commercial and non-commercial products alike, free of charge. Here is the license in its entirety:
 
MIT License
 
Copyright (c) 2014-2026 OOSMOS, LLC
 
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.
 
LICENSE.txt

2. Contributions

Contributions are welcome as pull requests at github.com/oosmos/oosmos. There is no Contributor License Agreement: by submitting a pull request, you agree that your contribution is provided under the same MIT license as the rest of the code base (“inbound = outbound”).

3. Previous Licensing

Versions of OOSMOS released before v3.0.0 were dual-licensed: GPLv2 for the open source community, with a commercial license as an alternative. In 2026, we retired the dual-license model and relicensed the entire code base under the MIT license.
If you have a question about a legacy GPLv2 or commercial license, please start a thread on GitHub Discussions.
Copyright © 2014-2026  OOSMOS, LLC