Obkio - Simple Network Monitoring and Network Troubleshooting software to empower users to identify and troubleshoot network & application slowdown from the end-user perspective.
The Dude - MikroTik is a Latvian company which was founded in 1996 to develop routers and wireless ISP systems. MikroTik now provides hardware and software for Internet connectivity in most of the countries around the world.
SolarWinds Network Bandwidth Analyzer - Download a 30-day free trial of Network Bandwidth Analyzer Pack, easy-to-use software that delivers real-time monitoring, alerting, and reporting for routers, switches, and other SNMP-enabled devices.
Pandora FMS - Pandora FMS: Opensource monitoring software
SevOne - SevOne provides network managers with monitoring, troubleshooting, and performance reporting capabilities.
OpenNMS - Project home page of OpenNMS - a java based network managememnt platform developed under the Open Source model