Kosong is a font created by Adam Ross. Copyright 2023, all rights reserved. This license provides that Kosong is free to use for personal or commercial use. You may not sell Kosong (or any portion of it) as a senf-contained font, nor as a font bundled with other content that is sold.

Aerie is an extension created to modernize Gmail because I felt it has been long neglected yet is still useful. The options here add smooth transitions, contemporary UI styling, and minimalism to Gmail’s dated interface.