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Koko vs Pix: catalog facts
Koko	Pix
Free Free and open source, part of KDE.	Free Free and open source.
Linux	Linux
Works on desktop and mobile Linux Regular releases with KDE Gear	Thumbnail browsing of image folders Works across Linux distributions and desktops
Linux only Simpler than a full photo manager	Linux only Fewer editing features than dedicated photo editors
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.