License

Felwine uses GPL:

GNU General Public License (GPL): The GPL is one of the most well-known open source licenses. It is considered a restrictive license, as it requires that any changes made to the code must be released under the same GPL license, and any software that uses the code must also be released under the same GPL license. Additionally, if a user distributes the software, they must also provide the source code and any changes they made to it.