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KTorrent vs Transmission: catalog facts
KTorrent	Transmission
Free Free and open source as part of the KDE project.	Free Free and open source, volunteer-run; no paid tier, no advertising.
Linux	Windows, macOS, Linux, Command line, Self-hosted
Wide protocol support including DHT, PEX and webseeds Per-torrent speed limits and file prioritisation	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
Linux only Interface follows KDE conventions, which may feel out of place on other desktops	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 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.