pg_activity is a top like application for PostgreSQL server activity
Monitor and troubleshoot transactions in complex distributed systems
Monitoring Tool for your IT Environment
Website, application blocking with scheduling. Self/Parental control.
A Network Packet Sniffing tool developed in Python 3
Raven is the legacy Python client for Sentry
Free, open-source IP scanner
Highly configurable SNMPv1/v2c/v3 application-level proxy
Automated Bitcoin mining monitor and up-time enforcer
School assignment for a simple network traffic analyzer
Bandwidth Monitoring Tool; Console SNMP traffic monitor