CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
A network security analysis and monitoring toolkit Linux distribution.
Anti Spam SMTP Gateway
Command line tool for managing Amazon S3 and CloudFront services
The box to keep the Internet under your control
Xplico is a Network Forensic Analysis Tool (NFAT)
PotHead
Open Source SIEM
Energy and environmental monitoring of the server room
Scalable, distributed monitoring system for high-performance computing
a secure, open source OS for use inside USEagency facilities
Collects data about network useage using libpcap.
Batch system monitoring and archiving
WatchTower is a cloud server monitoring and management tool