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NextTrace vs LFT: catalog facts
NextTrace	LFT
Free Free and open source.	Free Free and open source under the project's open source license.
Command line	macOS, Linux, Self-hosted, Command line
Shows geolocation and ASN for every hop Fast trace mode for quick checks	Supports TCP, UDP and ICMP probe methods Traces IPv4 and IPv6 paths
Command line only Geolocation lookups rely on online IP data sources	WhoB and routing information use network lookups
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
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 September 24, 2026	Official website Full listing and sources Checked October 8, 2026

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