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qBittorrent vs Transmission: catalog facts
qBittorrent	Transmission
Free Free and open source, developed by volunteers and funded by donations. No advertising in…	Free Free and open source, volunteer-run; no paid tier, no advertising.
Windows, macOS, Linux	Windows, macOS, Linux, Command line, Self-hosted
Polished µTorrent-like interface with no advertising Integrated search across many torrent sites, with category-specific searches	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
A torrent client exposes your IP address to every peer in the swarm unless you route it through… The search plugin ecosystem depends on third party sites that come and go	Fewer built-in extras than qBittorrent: no integrated search engine The Windows build is the least mature of the platforms
Downloadable app	Downloadable app, Self-hosted
Open source	Open source
License: GPL-2.0-or-later	License: GPL-2.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 20, 2026

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