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OpenSpeedTest vs Speedtest: catalog facts
OpenSpeedTest	Speedtest
Free Free to use. Self-hosting is available under its own licence terms.	Free Free and open source under the GPL-3.0-or-later licence.
Web, Self-hosted	Linux
Runs in any browser with no app or plugin Docker image makes internal LAN throughput testing trivial	Native GTK4 and libadwaita interface Uses open LibreSpeed servers rather than a commercial service
Browser-based measurement caps out below what dedicated tools reach The hosted version's accuracy depends on server location	Linux only Small project with a narrow feature set
Web application, Self-hosted	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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