Compare software

ttl vs mtr: catalog facts
ttl	mtr
Free Free and open source under Apache-2.0 or MIT.	Free Free and open source under the GPL.
Command line	macOS, Linux, Command line
Shows per-hop latency and path statistics in a live terminal interface Includes MTU discovery, NAT detection, and route flap alerts	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
Uses a terminal interface rather than a graphical desktop app	Intermediate routers deprioritise ICMP, so middle hops often show misleading loss Needs elevated privileges for raw sockets on most systems
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0 OR MIT	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.