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Fractal vs iamb: catalog facts
Fractal	iamb
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the Apache-2.0 licence.
Linux	Command line
Native GTK interface that fits GNOME Written in Rust	Vim keybindings throughout End-to-end encryption, threads and spaces
Linux only Needs a Matrix account	Terminal only, no graphical interface Still pre-1.0 releases
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: Apache-2.0
Account needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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