free ftp server

OPC Simulator Server

Free SSH server for Windows

The syslog server stores operating system logs from the entire enterprise.

A security-aware DNS server, essential as internet service.

NewsSucker scans a given newsgroup of a news server for binary attachments.

An advanced email and collaboration server.

Real-time monitoring and statistics for Apache HTTP server.

hMailServer is a free e-mail server for Microsoft Windows.

Chat with your friends on UDP protocol without using any external server.

OpenWebAds is a web server application