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lnav vs LogExpert: catalog facts
lnav	LogExpert
Free Free and open source.	Free Free and open source under the MIT licence.
macOS, Linux, Command line	Windows
Automatic detection of log formats and compressed files Merges several logs into one view	Follows growing log files in real time Graphical alternative to tail on Windows
Meant for small-scale use, not central log collection Terminal interface takes some learning	Windows only
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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