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Speedtest by OoklaLibreSpeed
Free

Free on the web and in the desktop and mobile apps.

 Free

Free and open source under the LGPL.

Windows, macOS, Android, iOS, Web Android, Web, Self-hosted
  • Works in a browser or in apps for most platforms
  • Picks a nearby test server automatically
  • Self-hosted, so the test measures your own path rather than a public server
  • No plugins or heavy dependencies; it is plain JavaScript
  • Closed source
  • Site includes links to other Ookla services alongside the test
  • Results depend entirely on where you host the server
  • Fewer analytics than commercial speed test services
Downloadable app, Web application Web application, Self-hosted
Closed source Open source
License not stated License: LGPL-3.0
No account needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked September 23, 2026

Checked September 22, 2026

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