License

The source code of this project and the METAFONTs are licensed under the GNU General Public License v3.0 (GPL). This means you can use and extend the source code, as long as you distribute the source code freely under the same license. This license also allows for commercial use.

All outline-based fonts (webfonts or otf) that are generated with this project are licensed under the SIL Open Font License v1.1 (OFL). This means that you can freely use and extend the fonts and also use them commercially. Any derivative work has to be made freely available under the same license.