pg_activity is a top like application for PostgreSQL server activity
An eye on your system
Simple Linux Panel
Cross-platform application monitoring and error tracking software
Python library and shell utilities to monitor filesystem events
A network security analysis and monitoring toolkit Linux distribution.
Set of Ansible scripts that simplifies the setup of a personal VPN
Optical-packet node transceiver frequency allocation
Open DirectXDiagnostic Tool without any commands
Zenoss - Intelligent IT Operations Management
Tool to ping hosts through firewalls blocking ICMP
The box to keep the Internet under your control
Network Ping time and UPS Logger
Energy and environmental monitoring of the server room
Scalable, distributed monitoring system for high-performance computing
Highly configurable SNMPv1/v2c/v3 application-level proxy
Network performance monitoring and logging script for Cisco devices.
Both a DHCP client simulator and a DHCP attack tool.