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Transmission vs rTorrent: catalog facts
Transmission	rTorrent
Free Free and open source, volunteer-run; no paid tier, no advertising.	Free Free and open source; the developer accepts donations.
Windows, macOS, Linux, Command line, Self-hosted	Linux, Command line
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	Low resource use and high performance Runs on headless servers over SSH
Fewer built-in extras than qBittorrent: no integrated search engine The Windows build is the least mature of the platforms	Steep learning curve and terse configuration No graphical interface of its own
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License not stated
No account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

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