Scapy is a Python-based interactive packet manipulation program
An eye on your system
pg_activity is a top like application for PostgreSQL server activity
Python library and shell utilities to monitor filesystem events
Monitor and troubleshoot transactions in complex distributed systems
A Network Packet Sniffing tool developed in Python 3
Zenoss - Intelligent IT Operations Management
Deploy Prometheus monitoring system
Python code for sending SMS from Zabbix platfrom
Raven is the legacy Python client for Sentry
Count the number of people around you by monitoring wifi signals
Python3 tool to scan, detect and control chromecast devices
PotHead
Open Source SIEM
Scalable, distributed monitoring system for high-performance computing
MitM pentesting opensource toolkit
Highly configurable SNMPv1/v2c/v3 application-level proxy
Nelmon is a collection of plugins for Nagios and compatible products
...has moved to packetpeeper.org