UpKeep - Upkeep is proven to expedite workflow processes. Keep track of everything you do on a day to day basis with UpKeep!
Nmap - Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.
Hippo CMMS - Hippo CMMS is a web-based maintenance management software that offers computer maintenance management features and dashboards to streamline your operations.
Angry IP Scanner - Open-source and cross-platform network scanner designed to be fast and simple to use
Maintenance Connection - Maintenance Connection is a computerized software solution that allows to track work orders, asset management and preventative maintenance.
Advanced IP Scanner - Advanced IP Scanner shows all network devices, gives you access to shared folders, and can even remotely switch computers off. Download it Free.