Ossec - OSSEC is an Open Source Host-based Intrusion Detection System.
Samhain - The Samhain host-based intrusion detection system (HIDS) provides file integrity checking and log...
Tripwire - Open Source Tripwire software is a security and data integrity tool useful for monitoring and...
snort - Snort is a free and open source network intrusion prevention system.
Wazuh - Open Source Host and Endpoint Security
hashdeep - Cross-platform tools to computer hashes, or message digests, for any number of files while...