NetBox - NetBox is an open source web application designed to help manage and document computer networks. NetBox was developed specifically to address the needs of network and infrastructure engineers.
ManageEngine Desktop Central - Desktop Central is a Desktop Management and Mobile Device Management Software for managing desktops in LAN and across WAN and mobile devices from a central location. It supports managing Windows, Mac and Mobile devices running iOS 4 and above
Snipe-IT - Managing assets with a Google doc or a shared Excel spreadsheet is more common than you think.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Zabbix - Track, record, alert and visualize performance and availability of IT resources
Goverlan - Goverlan Reach provides IT systems support and remote management software solutions enabling innovative and simplified ways for businesses to address remote IT administration needs.