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:
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| MIT License |
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| Copyright (c) 2014-2026 OOSMOS, LLC |
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| Permission is hereby granted, free of charge, to any person obtaining a copy |
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| of this software and associated documentation files (the "Software"), to deal |
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| in the Software without restriction, including without limitation the rights |
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| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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| copies of the Software, and to permit persons to whom the Software is |
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| furnished to do so, subject to the following conditions: |
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| The above copyright notice and this permission notice shall be included in all |
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| copies or substantial portions of the Software. |
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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| SOFTWARE. |
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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.