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Velociraptor vs OSSEC: catalog facts
Velociraptor	OSSEC
Free The software is free under its open-source licence. Hosting, hardware and external…	Free Free and open source; the OSSEC+ edition is also free after registration.
Windows, macOS, Linux	Self-hosted
Its query language lets you collect arbitrary host state across a whole fleet on demand, and a single…	Combines log analysis, file integrity monitoring and active response Custom rules and scripts for tailored alerting
Writing useful collections means learning its query language, and a fleet deployment needs real planning.	Configuration takes time to learn Extra features such as machine learning need registration for OSSEC+
Downloadable app	Self-hosted
Open source	Open source
License: AGPL-3.0	License not stated
Not stated if an account is needed	No account 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 23, 2026

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