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Speedtest vs librespeed-cli: catalog facts
Speedtest	librespeed-cli
Free Free and open source under the GPL-3.0-or-later licence.	Free Free and open source.
Linux	Windows, Command line
Native GTK4 and libadwaita interface Uses open LibreSpeed servers rather than a commercial service	Measures ping, jitter, download and upload Can test several servers in one run
Linux only Small project with a narrow feature set	Command line only Needs LibreSpeed servers to test against
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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