IBM's TPM 2.0 Attestation Client Server
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
A tool that helps users see all their PC WiFi passwords at a glimpse.
Xplico is a Network Forensic Analysis Tool (NFAT)
PCAP from another point of view
Open Source SIEM
A simple packet sniffer for local networks
Whitelist manager