Secure Network Messenger
Secure Network Messenger (SNM) - is a real time network communication program able to send and receive messages and files from one computer to another without using dedicated servers. All communication is highly secure! All traffic between copies of SNM is encrypted by strong encryption algorithms. ... Anyone familiar with programs (such as AOL Messenger, IRC and ICQ) will immediately understand how to use Secure Network Messenger. ... With SNM, your employees will be able to communicate without leaving working places.
http://www.networkmessengers.com/msg/download/msg.zip - 599Kb - Download - Screenshot

Secure Network Chat
Secure Network Chat (SNC) - is a text chat able to solve all the problems in communication between your company staff members cardinally. SNC is especially designed to work with medium and large local area networks, but it is also convenient for small local networks consisting of two and up to... Therefore, the network packages could never be eavesdropped by different network sniffers. ... SNC does not overload the network with useless traffic, for it occupies only up to 5% of the network resources even in case of the most active work of the chat members.
http://secureaction.com/chat/download/chat.zip - 3Mb - Download - Screenshot

SSLSocket Wizard ActiveX
Networks and the Internet are becoming not only a nice thing to have but are now a necessity and your application need to be able to communicate over them. SSL Socket Wizard allows you to easily communicate to a remote server using the TCP protocol and also adds the ability to use Secure Socket... Some ideas are: communication channels to bank payment processors that stay connected for very long periods of time custom implemented protocols for communication between applications Implementing communication to another companies applications using proprietary protocols.
http://www.seekfordsolutions.com/Products/files/IPWizardToolpackv3.exe - 5Mb - Download - Screenshot

Express Messaging Server
Express Messaging Server 2. 0 is the perfect network communications solution for your corporate communication needs - providing you with all the network essentials of a presence and instant messaging solution. It creates fast, reliable and secure instant messaging connections between network... Express Messaging Server includes a Windows NT account converter to create an Express account database in seconds. ... 0 is a secure way to set up a private communications system on your LAN or WAN. ... Its simple user interface lets you create accounts quickly and administer accounts and services...
http://offsitedl.acdsystems.com/english/express/expmes.exe - 1Mb - Download - Screenshot

BytesRoad.NetSuit Library
If you are looking for a free network library for the . NET platform then you may wish to look at BytesRoad. NetSuit library. This is an open source network library completely written in C#. You may find it useful if you would like to insert support for communication with FTP servers in your... You may also use these classes in your application to implement low level network communication with remote computers through the proxies. ... The capability of communication with FTP servers through the proxies depends on another set of classes exposed by the library.
http://www.bytesroad.com/NetSuit/BytesRoad.NetSuit_2_0.zip - 622Kb - 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... You simply select a virtual COM port in your communication application settings. ... 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.
http://www.virtual-modem.com/virtual-modem.zip - 737Kb - Download - Screenshot

DICOM Detective
DICOM Detective is a DICOM protocol analysis and simulation software tool dedicated to PACS maintenance people, DICOM servicemen, programmers, consultants, radiologists or people working with DICOM networks. Using the DICOM Detective, PACS maintenance people and DICOM servicemen can analyze the... DICOM Detective reads network capture file and DICOM file and display DICOM tag and value in a tree list. ... DICOM Detective is also a great tool for DICOM beginners to learn the detail of DICOM, just capture a DICOM communication and open it with DICOM detective, you will know what the DICOM is...
http://www.dicomtool.com/Install.exe - 8Mb - Download - Screenshot

Express Communicator
Express Communicator 2. 0 is the perfect network solution for your corporate communication needs - providing you with all the network essentials of an instant messenger. It creates fast, reliable and secure instant messaging connections between network associates on local and wide area networks... It also gives you various contact options, including email integration for pop3 and SMTP addresses, and the ability to create multiple contact groups. ... Plus, you get two-way chatting capabilities and convenient management tools for handling messages, contacts, and program options.
http://offsitedl.acdsystems.com/english/express/expcom.exe - 5Mb - Download - Screenshot

Network Protocols Handbook
Fully explains and illustrates all commonly used network communication protocols, including TCP/IP, WAN, LAN technologies. Covers the latest and emerging technologies such as VOIP, SAN, MAN, VPN/Security, WLAN, VLAN and more. Addresses vendor specific technologies: Cisco, IBM, Novell, Sun, HP,... "Must have" for IT/Networking professionals and students. ... Over 130k words, equivalent to about 550 - 600 pages of a normal book. ... It is formatted in the 8. ... 5 in x 11in paper size and about 340 pages in this ebook for easy reading and printing.
http://www.javvin.com/product/handbookdemo.zip - 717Kb - Download - Screenshot

NetCFax networked fax system
Fully networked fax server plus clients system that uses TCP/IP connectivity for all communication between server and clients. Clients can have access to just their own, or all faxes held on the server, depending on login rights they are assigned. The fax client fully supports multiple... No network shares or user permissions are required on the fax server's machine due to the use of TCP/IP for all connections between server and clients, making the system easy to install and also more secure. ... A full programmers API is provided to allow you to "fax enable" your own applications, even...
http://www.netcplus.com/pub/downloads/ncfxserver300.exe - 16Mb - Download - Screenshot