KDE
https://www.kde.org/KDE is an international technology team that creates user-friendly software
KDE is an international team co-operating on development and distribution of Free, Open Source Software for desktop and portable computing. Our community has developed a wide variety of applications for communication, work, education and entertainment. We have a strong focus on finding innovative solutions to old and new problems, creating a vibrant, open atmosphere for experimentation.
Primary Open Source License: GNU General Public License version 3.0 (GPL-3.0)