InvGate Insight - Discover and centralize everything you need to know about physical, virtual, and cloud assets in a single platform, laying the groundwork for building a CMDB and a normalized catalogue.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
ManageEngine AssetExplorer - ManageEngine AssetExplorer is a web-based IT Asset Management software that helps you monitor and manage assets in your network.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Nagios - Complete monitoring and alerting for servers, switches, applications, and services
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.