From version 1.1 onwards, Willemstad is licensed under the GNU Public License 3.0 [(GPL 3.0)](https://www.gnu.org/licenses/gpl-3.0.en.html). Willemstad was previously licensed under the Mozilla Public License 2.0. Please note, I do not regularly provide the source Sass/SCSS code for Willemstad since version 1.1 due to previous incidents of possible misuse. However, you will obtain the compiled CSS code for free and under the GPL 3.0.