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lnav vs Klogg: catalog facts
lnav	Klogg
Free Free and open source.	Free Free and open source.
macOS, Linux, Command line	macOS, Linux
Automatic detection of log formats and compressed files Merges several logs into one view	Handles very large log files quickly Separate pane for search and filter matches
Meant for small-scale use, not central log collection Terminal interface takes some learning	Release activity is infrequent Focused on viewing and searching, not log collection or aggregation
Downloadable app	Downloadable app
Open source	Open source
License: BSD-2-Clause	License: GPL-3.0
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 1, 2026

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