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