CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Command line tool for managing Amazon S3 and CloudFront services
Pioneering Private and Public Cloud Management since 2008
Xplico is a Network Forensic Analysis Tool (NFAT)
PotHead
Open Source SIEM
Energy and environmental monitoring of the server room
Collects data about network useage using libpcap.
Firewall/Proxy FreeBSD
WatchTower is a cloud server monitoring and management tool
A unified manager of monitoring software