NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.

Nagios - Complete monitoring and alerting for servers, switches, applications, and services

Zohno Z-Term - The Easy-to-Use Active Directory User Termination Tool

Gitwin - Enable your Windows system as a powerful and secure Git repository. Supports ssh, http(s) transports. Gitweb with highlighter and gravatar support available.

XIA Automation - Our software XIA Automation is an automated user account provisioning tool that saves time by automatically provisioning user accounts, groups and more.

Zenoss Core - Zenoss (Zenoss Core) is an open source application, server and network management platform based on...