Various.

Note that files in the repository have various licenses.

Some files originate from the Apple Open Source repository, and are subject to the 
Apple Public Open Source License Version 2.0. Other files may have other
licenses as per each source file.

Parts of this project that have been created by members of the MacPorts community 
are under the MIT License

Copyright (c) 2018-2025 Chris Jones, Michael Dickens
Mihai Moldovan, and many other contributing members of the MacPorts community

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.