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angle-grinder vs hl: catalog facts
angle-grinder	hl
Free Free to use; the source is published on GitHub.	Free Free and open source under the MIT licence.
Command line	Windows, Command line
Search, parse and aggregate in one query pipeline Works directly on log files from the terminal	Makes JSON and logfmt logs readable Built in Rust with a focus on speed
Query syntax has to be learned Command line only, with no graphical interface	Only useful for structured log formats Command-line only, no graphical interface
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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