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gomuks vs iamb: catalog facts
gomuks	iamb
Free Free and open source under the AGPL.	Free Free and open source under the Apache-2.0 licence.
Android, Web, Self-hosted, Command line	Command line
Backend can run as a bouncer-style server Mature web frontend with desktop and Android wrappers	Vim keybindings throughout End-to-end encryption, threads and spaces
Terminal frontend is experimental with few features Needs a Matrix account on a homeserver	Terminal only, no graphical interface Still pre-1.0 releases
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: AGPL-3.0	License: Apache-2.0
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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