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THOR Lite vs YARA: catalog facts
THOR Lite	YARA
Free Free limited version of the commercial THOR scanner.	Free The software is free under its open-source licence. Hosting, hardware and external…
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Scans files, processes and autoruns with YARA and IOC signatures Precompiled for Windows, Linux and macOS	Rules combine text and binary patterns with boolean logic, and the format has become the common language for…
Not open source Limited modules and signature set compared to the paid THOR	The original engine is now in maintenance mode with development moved to YARA-X, and rules only catch what…
Downloadable app	Downloadable app
Closed source	Open source
License: Proprietary	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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