SocketTools Secure Visual Edition
SocketTools Secure Visual Edition is a collection of controls that supports secure data connections over the Internet or a local network. It includes client interfaces for Secure Sockets Layer (SSL) compliant versions of the Hypertext Transfer Protocol (HTTPS), File Transfer Protocol (FTPS),... The following protocols are supported by the SocketTools Secure Visual Edition: Domain Name Service (DNS), File Encoding and Compression, File Transfer Protocol (FTPS), Finger Protocol, Gopher Protocol, Hypertext Transfer Protocol (HTTPS), Internet Control Message Protocol (ICMP), Internet Message...
ftp://ftp1.catalyst.com/pub/cstools/st45vs32.zip - 9Mb - Download - Screenshot

SocketTools Library Edition
The SocketTools Library Edition includes standard Windows dynamic link libraries (DLLs) which can be used in a wide variety of programming languages such as Visual Studio. NET, Visual C++, Visual Basic and Delphi. The SocketTools Library Edition API has over 800 functions which can be used to... The following protocols are supported by the SocketTools Secure Library Edition: Domain Name Service (DNS), File Encoding and Compression, File Transfer Protocol (FTPS), Finger Protocol, Gopher Protocol, Hypertext Transfer Protocol (HTTPS), Internet Control Message Protocol (ICMP), Internet Message...
ftp://ftp1.catalyst.com/pub/cstools/st45le32.zip - 10Mb - Download - Screenshot

MSN Protocol Analyzer
MSNProtocol Analyzer(MSNPAnalyzer) is a network utility that can monitor (or capture, monitor) the sessions of MSN Protocol. If you use this program in conbination with SwitchSniffer program, you can capture and see all the MSNP sessions including conversations and MSN commands. ... 2) Select Start->Programs->MSN Protocol Analyzer->MSN Protocol Analyzer 3) Just click "Start" button. ... want to see the MSN protocol including MSN commands to develope the products related to MSN. ... Getting Started 1) Install this program (MSN Protocol Analyzer).
http://nextsecurity.softahead.com/downloads/msnpanal/MSNPAnalyzer.zip - 1Mb - Download - Screenshot

SocketTools Secure Library Edition
The SocketTools Secure Library Edition includes standard Windows dynamic link libraries (DLLs) which can be used in a wide variety of programming languages such as Visual Studio. NET, Visual C++, Visual Basic and Delphi. The SocketTools Library Edition API has over 800 functions which can be... The following protocols are supported by the SocketTools Secure Library Edition: Domain Name Service (DNS), File Encoding and Compression, File Transfer Protocol (FTPS), Finger Protocol, Gopher Protocol, Hypertext Transfer Protocol (HTTPS), Internet Control Message Protocol (ICMP), Internet Message...
ftp://ftp1.catalyst.com/pub/cstools/st45ls32.zip - 10Mb - Download - Screenshot

Universal Messenger Plus
Universal Messenger Plus is a FREE multi-protocol instant messenger designed with the goal to bridge the difference of various Instant Messengers and provide a single convenient interface that will allow users to easily communicate over different protocols. ... Currently Universal Messenger Plus supports the following common protocols: Oscar(ICQ protocol), MSN, AOL, IRC, Yahoo, Jabber; Very intuitive interface allows you to setup all your different accounts in a few minutes and then you can start chatting with all your friends easily and conveniently.
http://www.p2psharing.biz/uimplus/files/UIMPlus.exe - 1Mb - Download - Screenshot

wodFTPServer
wodFTPServer is an ActiveX Component that implements server side of following protocols: FTP, FTP/S (FTPS or FTP+SSL) both in explicit and implicit modes, and SFTP (secure ftp subsystem on SSH2 secured channel). Support for all 3 protocol is transparent for your programming - you have same set... 2gb) transparent interface - interface is the same for all supported protocols debug log showing entered commands and replies sent to the user (in SFTP protocol wodFTPServer creates these messages for you!
http://www.weonlydo.com/Samples/wodFTPServer.exe - 2Mb - Download - Screenshot

SoftPerfect Network Protocol Analyzer
SoftPerfect Network Protocol Analyzer is an advanced, professional tool for analyzing, debugging, maintaining and monitoring local networks and Internet connections. It captures the data passing through your dial-up connection or network Ethernet card, analyzes this data and then represents it... SoftPerfect Network Protocol Analyzer also has a special packet builder. ... SoftPerfect Network Protocol Analyzer presents the results of its network analysis in a convenient and easily understandable format.
http://www.softperfect.com/download/netsniffer.exe - 2Mb - Download - Screenshot

Vypress Messenger
Vypress Messenger is a program for sending text messages with attachments in real-time, without using any additional servers, from one computer to another or a few others. The program supports several messages transferring protocols, including its own protocol, for guaranteed distribution of... and Unix-realizations Samba) and mail broadcasting via SMTP protocol, as well as receiving new mail via POP3/IMAP4 protocols. ... Besides this, the program supports a standard SMB protocol (for compatibility with WinPopup, ?
http://www.vypress.com/ftp/VyMes40.msi - 1Mb - Download - Screenshot

1Click Clocksync
1Click Clocksync is a small utility that does a great work by keeping the computer clock accurate. It uses the US government atomic clock time servers as a reference time source. The application supports the Simple Network Time Protocol (SNTP) and the TIME protocol. ... The program has an easy-to-use interface that even the most inexperienced users will have no difficulties using this program. ... You can configure 1Click Clocksync to adjust your computer clock automatically at predefined time intervals.
http://www.express-computing.com/files/ClocksyncSetup.exe - 570Kb - 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,... Hundreds of illustrations of protocol formats and header structures. ... "Must have" for IT/Networking professionals and students. ... Over 130k words, equivalent to about 550 - 600 pages of a normal book.
http://www.javvin.com/product/handbookdemo.zip - 717Kb - Download - Screenshot