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gamja vs Halloy: catalog facts
gamja	Halloy
Best for: Running a lightweight browser-based IRC client for yourself or a community	Best for: IRC users who want a fast, modern desktop client
Free Free and open source under the AGPLv3.	Free Free and open source under the GPL-3.0 licence.
Web, Self-hosted	Windows, macOS, Linux
Lightweight, simple interface Configurable by file or URL parameters All 3 strengths for gamja Lightweight, simple interface Configurable by file or URL parameters Works well alongside the soju bouncer	Broad IRCv3 support including chathistory and soju bouncer features Native cross-platform app from one codebase All 4 strengths for Halloy Broad IRCv3 support including chathistory and soju bouncer features Native cross-platform app from one codebase Detailed configuration in a single TOML file Frequent releases and active development
Requires an IRC server or proxy with WebSocket support You must host the files yourself	Configuration is done by editing a text file IRC only; no other chat protocols
Web application, Self-hosted	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Sources for gamja codeberg.org/emersion/gamja Catalog checked October 2, 2026	Official website Full listing and sources Sources for Halloy halloy.chat github.com/squidowl/halloy Catalog checked September 23, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.