MitM pentesting opensource toolkit
SSH Java client GUI for Unix, Linux administration and monitoring
Real time monitoring : RPi-Monitor always keep an eye on your computer
OSPF network discovery script via SNMP.
Network performance monitoring and logging script for Cisco devices.
Batch system monitoring and archiving
Automated Bitcoin mining monitor and up-time enforcer
Daemonlogger is a packet logger and soft tap developed by Martin Roes
Bandwidth Monitoring Tool; Console SNMP traffic monitor
Monitoring your infrastructure for free.
NDPMon - Neighbor Discovery Protocol Monitor
nagios-statd patch for use with python >= 2.6
Open Source System and Network Monitoring for Linux Desktop