NetworkActiv Port Scanner is a freeware, Fast, Easy to use, Advanced network scanner with many useful features. This is not just a network scanner, with this you can perform DNS-dig, whois, remote OS fingerprinting, trace-route, ping, and much more.

Configurable UDP and TCP port forwarding. Define IP address ranges to allow or block for each port being forwarded. Have program forward multiple ports simultaneously. View the current data throughput speed of each port forwarding operation. Have program log connection events to a text file. Run program without installing (if desired). Bounce connections back to connector (on same or different port). 100% freeware.

Very easy to use, lightweight, freeware, graphical Windows based Web Server supporting CGI, PHP, and Perl. Share files without the need for your clients to download software, as they can simply use their favorite web browser such as Internet Explorer or Mozilla. Share files and host a website directly from your computer. Configurable access restrictions by password (secured) and configurable IP address range filtering. Supports multi-domaining.