The Network UPS Tools repository
SQL operating system instrumentation and monitoring framework
CUPS is a standards-based, open-source printing system
An opensource OpenWrt variant for mainland China users.
An advanced network simulator to design and configure virtual networks
HTTP proxy to block ads and customize webpages
Firewall log analyzer
Open Source Monitoring System for performance and availability.
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
FreeBSD Multi PPP daemon
Network Load Balancer and Application Security
Remote control software for applications using wi-fi or bluetooth
Nagios Open Source network monitoring software - The Standard In ITM
Next Generation Open Source Firewall
Free UTM appliance: firewall, VPN, WAF and antivirus in one ISO.
A secure, feature-rich, customizable embedded Linux network appliance
Anti Spam SMTP Gateway
UltraVNC: Remote Access Tools VNC/RFB Remote Desktop Support Software
Command line tool for managing Amazon S3 and CloudFront services
A distribution of Nginx with some advanced features
Xymon monitors your hosts, your network services, and everything else.
Web application firewall in C language uses libevent