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Scamper vs mtr: catalog facts
Scamper	mtr
Free Scamper is free software licensed under GPL-2.0.	Free Free and open source under the GPL.
Windows, macOS, Linux, Command line	macOS, Linux, Command line
Supports IPv4 and IPv6 probes Runs measurements across destinations in parallel	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
Some measurement modules require IPFW or PF.	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: GPL-2.0-only	License: GPL-2.0
Not stated if an account is needed	Not stated if an account is needed
Needs internet	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.