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Era vs Kairos: catalog facts
Era	Kairos
Free Free and open source under the GPL-3.0-or-later.	Free Free and open source under the GPL-3.0 or later licence.
Linux	Linux
Designed for the GNOME desktop Open source and available on Flathub	Designed for touch input on tablets Works well alongside tiling window managers
Young project with a short track record Linux only	Young project with little documentation Linux only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: GPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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