Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
Open Source SIEM
Energy and environmental monitoring of the server room
Linux firewall distribution geared towards home and SOHO users.
Scalable, distributed monitoring system for high-performance computing
Network link bonding/trunking/aggregation and multichannel VPN daemon
The Internet of Things
Embedded System based Temperature monitor
a virtual TAP router for virtual machines and alike
Tkined/Scotty is a graphical network monitoring package
This is an utility for IPv6 similar to whatmask for IPv4
fully modular opensource firmware for the ez430 chronos
Two-factor authentication system
a secure, open source OS for use inside USEagency facilities
...has moved to packetpeeper.org
Collects data about network useage using libpcap.