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mtrOpenTrace
Free

Free and open source under the GPL.

 Free

Free and open source under the GPL-3.0 licence.

macOS, Linux, Command line Windows, macOS, Linux
  • Per-hop loss and latency over time, instead of a single traceroute snapshot
  • Report mode produces output that is easy to paste into a support ticket
  • Visual display of traceroute hops
  • Runs on Windows, macOS and Linux
  • Intermediate routers deprioritise ICMP, so middle hops often show misleading loss
  • Needs elevated privileges for raw sockets on most systems
  • Focused on route tracing only
  • Documentation is partly in Chinese
Downloadable app Downloadable app
Open source Open source
License: GPL-2.0 License: GPL-3.0
Not stated if an account is needed No account needed
Not stated if it works offline Needs internet

Checked September 22, 2026

Checked October 1, 2026

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