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rqbit vs Transmission: catalog facts
rqbit	Transmission
Free Free and open source.	Free Free and open source, volunteer-run; no paid tier, no advertising.
Web, Self-hosted, Command line	Windows, macOS, Linux, Command line, Self-hosted
HTTP API for scripting and automation Web interface and desktop app	Native builds for macOS, Linux and BSD, Windows, plus a daemon for servers and routers Web interface for remote control of any of the above
Fewer features than long-established clients Configuration is aimed at technical users	Fewer built-in extras than qBittorrent: no integrated search engine The Windows build is the least mature of the platforms
Downloadable app, Self-hosted	Downloadable app, Self-hosted
Open source	Open source
License not stated	License: GPL-2.0-or-later
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

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