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Halloy vs gamja: catalog facts
Halloy	gamja
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the AGPLv3.
Windows, macOS, Linux	Web, Self-hosted
Broad IRCv3 support including chathistory and soju bouncer features Native cross-platform app from one codebase	Lightweight, simple interface Configurable by file or URL parameters
Configuration is done by editing a text file IRC only; no other chat protocols	Requires an IRC server or proxy with WebSocket support You must host the files yourself
Downloadable app	Web application, Self-hosted
Open source	Open source
License: GPL-3.0	License: AGPL-3.0
No account needed	No 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 October 2, 2026

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