All-in-One utility to optimize, tweak, clean up Windows XP. It bundles more than 30 different utilities in one! Get access to hundreds of hidden options, clean registry and junk files, speed network, uninstall smartly and many other utilities.

Plax Network Suite is an easy to use collection of network tools which offers full control over the online activity of your PC. Instant ON/OFF switch for Windows XP Firewall, block ping, show open ports and applications and do port scanning.

Print from DOS-Windows-Unix-Linux to Windows printers: USB, GDI, PDF, e-mail, network, fax, virtual. Capture from LPT1: to LPT9: and redirect the jobs, even to a printer physically connected to the captured port and w/out physical LPT ports installed

Free IP scanner is a very fast IP scanner and port scanner. Powered with multi-thread scan technology, it can scan hundreds computers per second. It simply pings each IP address, gets hostname, MAC address, NetBIOS information, scans ports, etc.

Sentry-go Plus! is a low cost, expandable, network-efficient monitoring solution for Windows. Options include services, processes, web & FTP sites, TCP/IP ports, event logs, log files, performance, connectivity, printing & files, SQL Server etc.

An inexpensive royalty-free component to access serial ports.

Serial Port Control is an inexpensive royalty-free component. It supports VB, VB.Net, C#, Borland Delphi, Borland Builder. Just put it on a form and you've got all the functionality you need to access an RS232 port.

Visual NetTools is a set of network tools for Apple Mac useful in diagnosing networks and monitoring your computer's network connections.

The freeware NetWrix USB Blocker centrally disables USB devices to prevent unauthorized use of removable media that connects to computer USB ports, for example, memory sticks, removable hard disks, iPods, and more. Works without agents!

Filtering incoming outgoing data.Blocking addresse,local ports,remote ports.

All-in-One utility to optimize, tweak, clean up Windows Vista. It bundles more than 30 different utilities in one! Get access to hundreds of hidden options, clean registry and junk files, tune up Vista boot menu and many other utilities.

"professional Look at Net" is a portable network monitoring tools - net scanner, ports scanner and packets sniffer. Don't need third-party libraries, such as WinPCap, etc.

It supports 1 board with 8 relays. Each relay can be programmed separately with multiple timers. Relay can be turned on/off manually. The status of all relays can be shown.It can detect all existed COM ports automatically.

Comm Operator is a powerful tool for serial port, TCP/IP and UDP port communication. It is professional software for debugging, testing and troubleshooting RS232 related devices. Data can be sent and received in Text/String, Hex and Decimal format.

IsItUp Network Monitor is a server, website, port, and email system monitor. It monitors multiple IP devices, websites, servers and ports with alerts via email or pager; graphs. Web content check; performance stats and error log, runs as a service.

Ares Galaxy Pro Edition is currently one of the most demanded BitTorrent file sharing clients around. It has a simple, yet likeable, easy to use interface and requires low CPU. Movies, Mp3s, books they’re all now easier to download and share.

VSPE is intended to help software engineers and developers to create/debug/test applications that use serial ports. It is able to create various virtual devices to transmit/receive data, share physical serial port data for several apps, and so on.

Nsauditor is a network security scanner that allows to audit and monitor network for possible vulnerabilities,checks methods that a hacker might use to attack it. Over 45 network tools for scanning,sniffing,enumerating and gaining access to machines.

The terminal program for CW-operators. You can transmit both from the keyboard and from the paddle connected to a joystick or LPT connector. The handle of the transceiver (PTT and CW keying) is made through one of the COM- or LPT-ports.

A free multithreaded IP, SNMP and NetBIOS scanner. Both system administrators and general users can use this software. It pings computers, scans for listening TCP ports and displays shared network resources (including system and hidden).