by B Labs This freeware portable network scanner displays active computers with logged user names (NetBIOS), MAC and IP addresses. It also detects and shows HTTP (Web) servers running on remote computers (TCP port 80, 8080) and can accept an IP range to scan.
by Roman Rugalenko Courier Mail Server is a Windows e-mail server for office and home networks. Compact, easy to configure and usage, multithreaded, contains Web and SOCKS servers. It will help you to quickly arrange e-mail exchange in local network and Internet.
by Paessler AG Webserver Stress Tool is a powerful HTTP client/server test application, designed to pinpoint critical performance issues in your web site or web server that may prevent optimal experience for your site's visitors. Supports SSL.
by Catalyst Development Corporation The SocketTools Library Edition is a collection of libraries for Internet application development. Includes over twenty 32-bit and 64-bit DLLs with support for IPv6 networks and secure connections using SSL/TLS and SSH. Free technical support.