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ttl vs Trippy: catalog facts
ttl	Trippy
Free Free and open source under Apache-2.0 or MIT.	Free Free and open source under Apache 2.0.
Command line	Windows, 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	Shows loss and latency per hop, live, so you can locate where a problem starts ICMP, UDP and TCP tracing over IPv4 and IPv6
Uses a terminal interface rather than a graphical desktop app	Needs elevated privileges for raw sockets by default Many routers deprioritise or drop ICMP, so intermediate hops can look worse than they are
Downloadable app, Self-hosted	Downloadable app
Open source	Open source
License: Apache-2.0 OR MIT	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked September 21, 2026

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