I spend way too much time on this. It has awesome features, a good mobile UI, maaany many systems to sort things, flexible permissions and more.

Examples:

• Fedora
• KDE
• uBlue
• Tor project (they also have an onion site)
• Manjaro, EndeavorOS, Garuda
• Brave
• Nextcloud
• ZorinOS
• PrivacyGuides, Techlore
• Audacity
• Anki
• Joplin …