Open Source Monitoring System for performance and availability.
Nagios Open Source network monitoring software - The Standard In ITM
HTTP proxy to block ads and customize webpages
UltraVNC: Remote Access Tools VNC/RFB Remote Desktop Support Software
Manage and interpret IPMI systems with common a software tool
FreeBSD Multi PPP daemon
VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
Robust and flexible VPN network tunnelling
A free Usenet server with SQL backend and RBAC.
Anti Spam SMTP Gateway
Encrypted UDP based FTP with multicast
allows connecting to hosts behind firewalls and NAT