Monitorix is a free, open source, lightweight system monitoring tool
Scalable PaaS (automated Docker+nginx), aka Heroku on Steroids
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
Command line tool for managing Amazon S3 and CloudFront services
Produces a graphical map of hosts, switches and routers in a network.
Fritz!Box SmartHome Monitoring with PRTG and AHA-Interface
free netflow analyzer
Monitor monthly internet Transmit and Receive bandwidth usage - Linux
TACACS+ server for network devices
Prevent and Protect Your HTML5 Video, Music , Audio From Download Free
A client for the MikroTik RouterOS API protocol, written in PHP.
Open source tool to monitor your servers and websites
Computer security tool for the information gathering stage
Open source voucher management / hotspot system
simplePXE brings a PXE server to everyone
single file multi-purpose multi-platform shell written in php
IOSec Addons are enhancements for web security and crawler detection
Is your host up or down?
Multithreaded Proxy Enumeration Utility
Detect Flooder IPs, Reduce Attack Surface against HTTP Flood Attacks
Monitoring your infrastructure for free.