Egnyte - Enterprise File Sharing
Gitwin - Enable your Windows system as a powerful and secure Git repository. Supports ssh, http(s) transports. Gitweb with highlighter and gravatar support available.
ManageEngine ADAudit - ManageEngine ADAudit is a real-time windows active directory auditing tool.
LANState - LANState - Network Mapper and Device Monitor
StealthAUDIT Management Platform - STEALTHbits Technologies is a leader in the Microsoft Infrastructure and Application Management space, with solutions for Data Access Governance, Identity Access Management, Active Directory, and more.
Nagios - Complete monitoring and alerting for servers, switches, applications, and services