Network Mechanic
Network Mechanic optimizes your Internet connection up to 300%, providing faster download speeds and fewer delays while browsing. Network Mechanic modifies a wide series of parameters that control how your TCP/IP stack operates. Such parameters as packet size, receive and transmit window sizes,... Now with the help of our program you can optimize TCP/IP protocol according to your opportunities of network without a studying all bases TCP/IP networks. ... It acts as an accelerator for your network connection.
http://www.benutec.com/download/networkmechanic_trial.exe - 663Kb - Download - Screenshot

datAxe TCP IP serial data converter
datAxe is a flexible converter to solve all your needs between serial data and TCP/IP networks on Windows computers. datAxe software package makes serial data from your PC available on TCP/IP-based networks and makes TCP/IP data available on physical and virtual serial ports of your PC. ... With datAxe you can also create virtual ports and configure them to communicate with TCP/IP-networks. ... You can connect to the remote serial port by connecting to a TCP/IP port. ... Comport can also be used to pass serial data across a corporate intranet or over the Internet.
http://www.labf.com/download/dataxe.exe - 4Mb - Download - Screenshot

TCP IP Quick Guide
A "Must have" quick reference for IT/Networking professionals and students who are learning and using TCP/IP; Comprehensive Protocol Map focus on TCP/IP protocol suite and key layer 1 and 2 LAN, WAN an MAN protocols; Detailed explanations of IPv4 and IPv6; IPv4 and IPv6 addressing schemes; IPv4... 25 in x 11 in paper size for easy printing and use as a portable reference.
http://www.javvin.com/product/tcpipguide-demo.zip - 49Kb - Download - Screenshot

Mobile TCP
Software for forwarding SMTP server connections to the correct SMTP server, made for people traveling with a laptop, connecting to different networks. Automatically checks the network status and detects changes, then by a set of IP/Mask rules Mobile TCP will select witch SMTP server to use. ... Features: Can check either external IP numbers (outside a firewall) or internal, Forwards SMTP connections to the correct SMTP server, Works silently in the background, Easy to copy your current IP numbers to the clipboard, Supports up to 10 simultaneous connections, The Status window shows...
http://www.klocktornet.com/download/MobileTCPSetup_11.exe - 1Mb - Download - Screenshot

Network Time System
Network Time System is a full-featured Client\Server network time synchronization system that allows synchronization of all computers on the network clocks with Internet time servers or any other local source of synchronization. Network Time System allows creation of custom exact time source in... This powerful software solution is ideal for networks of all sizes from small office local networks to large enterprise networks. ... All major time protocols are supported including NTP, SNTP, DAYTIME and NTS (over TCP/IP, IPX, NetBEUI.
http://www.softros.com/downloads/nts.zip - 3Mb - Download - Screenshot

Complete Anonymous Internet
Complete Anonymous Internet is a utility to let you hide your IP address when browsing the web, sending email, posting to usenet news groups, downloading via FTP and all other internet (TCP/IP) related programs. Furthermore by redirecting the incoming TCP/IP traffic through a SOCKS proxy,... Instead all security software will be installed on SOCKS proxy only, where the incoming traffic will be scanned and only safe content will be sent to corporate network. ... ) on every single computer.
http://www.pcmesh.com/caitrial.exe - 2Mb - Download - Screenshot

Enterprise IP - Address Manager
Enterprise IP - Address Manager is an easy-to-use application for assigning, cataloging, and maintaining IP addresses and host data for both registered and private TCP/IP addressed networks. This open database software provides a simple interface to enable you to establish IP addressing schemes... Other features include: export and import of CSV format files, export of HTML formatted listings, printed listing reports, network diagram attachments, host configuration and revision text attachments, ping to IP, trace to IP, telnet to IP, browser connect to IP, logo branding support, interface...
http://www.enterpriseip.net/downloads/EIP-AM_Setup.exe - 8Mb - Download - Screenshot

SizePopup
This software allows you sending short texts in computers networks (LAN/WAN). It's similar to the WinPopup, unfortunately win2000 and XP haven't got the WinPopup. Communication is based on a TCP/IP protocol. SizePopup has easy list of users and their IP addresses.
http://www.pool-magic.net/files/SizePopup.exe - 630Kb - Download - Screenshot

ProgDVB Remote
ProgDVB Remote allow control your ProgDVB from your PocketPC. ProgDVB Remote consist of two parts: - ProgDVB pluging - server - ProgDVB Remote for PocketPC - client ProgDVB pluging is pluging, witch load with ProgDVB Software. It receive command from ProgDVB Remote for PocketPC via network... It send user's commands to ProgDVB Remote pluging via network (TCP/IP) ProgDVB Remote use to communicate network (TCP/IP protocol). ... It can work via wireless network, as BlueTooth(TM) network or as WiFi network.
http://www.remoteinstruments.com/p...vbremote/ProgDVBRemote1_Setup.exe - 2Mb - Download - Screenshot

Virtual Modem
There are many old data-centric applications that, for historical reasons, use direct modem connections to exchange data between Client and Server. Nowadays, local and global TCP/IP networks have made the direct modem connection obsolete. Here's why: When you use a direct modem connection, you... In a TCP/IP network, on the contrary, you can use the power of a VPN (Virtual Private Networking), SSH or any other secure tunnel to ensure privacy and security. ... There are a lot of reasons to move from a direct modem connection to TCP/IP networking.
http://www.virtual-modem.com/virtual-modem.zip - 737Kb - Download - Screenshot