Specialized in network monitoring and testing scenarios Paessler offers a range of highly efficient tools with a strong focus on usability and performance and with an excellent price-performance ratio. Our Windows based network monitoring software is essential for today's businesses to ensure the availability of servers, routers, switches, websites and applications. Freeware and free Trial available!

Nagios is the industry-standard in IT infrastructure monitoring. Nagios provides enterprise-class Open Source monitoring of hosts, services, applications, and networks. Learn why organizations around the world trust Nagios to handle their IT infrastructure monitoring and business process continuity.

GFI offer fax server solution, email anti-virus and anti-spam software for Microsoft Exchange and email servers; Network security and monitoring tools; event log monitoring solutions for Windows NT/2000/2003.

Wormly offers server monitoring, website monitoring and uptime monitoring to keep you online and performing fast. Remote monitoring from outside the firewall alerts you when failures occur, while internal server health monitoring reveals problems before they cause downtime.

Do you need Enterprise IT Systems Management? Download a Free 30-day Trial of up.time that includes deep server monitoring software, capacity planning, virtual monitoring, Cloud monitoring, SLA management, Multidatacenter monitoring, performance monitoring, availabilty monitoring, application monitoring and more. Free Downloadable Trial.

Uptrends hosted website, server and transaction monitoring services. Receive alerts. Maximize uptime. Free 4 week trial.

Companies use Zenoss server and network monitoring to manage their datacenter operations without cumbersome legacy tools. Download Zenoss core now to try it out.