Compare software

LFT vs mtr: catalog facts
LFT	mtr
Free Free and open source under the project's open source license.	Free Free and open source under the GPL.
macOS, Linux, Self-hosted, Command line	macOS, Linux, Command line
Supports TCP, UDP and ICMP probe methods Traces IPv4 and IPv6 paths	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
WhoB and routing information use network lookups	Intermediate routers deprioritise ICMP, so middle hops often show misleading loss Needs elevated privileges for raw sockets on most systems
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 22, 2026

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