Control all application activity for Mac OS X

AggreGate SCADA/HMI

The ultimate reverse proxy server for Windows

Free SSH(2) and SFTP Server for Windows

Professional SMTP POP3 server program.

Advanced SMTP Server - local SMTP server

Fast and secure SMTP/POP3 server

The ultimate proxy server for Win32/64.

Fully-featured SMTP/POP3 mail server program

SMTP server program to send email directly.

High-performance outgoing SMTP mail server

Relay email messages using SMTP server on PC

Fast and secure mail server

High-performance SMTP POP3 server program.

Durable and secure SMTP/POP3 server

A free SMTP relay server.

Free SMTP Server - local SMTP server

Exchange Server plug-in (Antispam, Backup...)

Pop3Connector is a POP3 to SMTP relay.

Corporate network stateful Windows Firewall

Personal Firewall Solution.

Serv-U FTP server + web, SFTP & FTPS transfer

Unreal Media Server

Captures all uncaught e-mail in Exchange.

proxy finder checker and tunnel software