Zabbix - Track, record, alert and visualize performance and availability of IT resources

Blissfully - Blissfully offers solutions to track, manage, and optimize SaaS spendings.

Abusix - Abusix is a network security company that offers email threat protection and network abuse handling solutions to ISPs, Telcos, and Cloud/Hosting Providers to stop the rapidly growing problem of email-borne threats and other kinds of network abuse.

Zylo - Zylo helps organizations optimize their SaaS investments by providing insights around Spend, Utilization, and User Feedback.

FastNetMon - FastNetMon is a very fast DDoS analyzer with sflow/netflow/mirror support.

Torii - SaaS Management Software.