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Hayabusa vs Chainsaw: catalog facts
Hayabusa	Chainsaw
Free The open-source software is available without a license fee. Hosting, hardware and…	Free The open-source software is available without a license fee. Hosting, hardware and…
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Applies detection rules while organizing events for review.	Supports event-log hunting with Sigma and custom rules.
Requires relevant event logs and analyst interpretation.	Findings depend on the available logs and selected detection rules.
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

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