Winsock Interface Library for C/C++
Winsock Interface Library for C/C++ (April 4, 2000 V3. 1) The Winsock Interface Library simplifies winsock network communications programmingand provides support for the most common Internet protocols such as Finger, SMTP, POP3, FTP, NNTP, and HTTP. ... Requires MS, Borland, Watcom, or LCC-Win32 Windows C/C++ compiler. ... Includes multiple C/C++ examples.
ftp://ftp.marshallsoft.com/pub/win95/wil4c311.zip - 392Kb - Download

Axoio LionFtp Pro 2006
Axoio LionFTP Pro offers the easiest and fastest way to transfer any file using FTP, providing an exceptionally stable and robust program that you can always count on to get your job done quickly and efficiently. There are many, many features available in LionFTP. ... Secure Transfers (SSL/TLS) ,IPv4 and IPv6 ,SOCKS4, SOCKS4A, SOCKS5, HTTP Proxy Support,RFC 959, 1123 and 1579 compliant,Fully uses Winsock-2 optimizations for best performance. ... Fully uses Winsock-2 optimizations for best performanceUpload, Download and FXP with Resume capability,Rename, Make and Remove Directory.
http://www.axoio.com/download/setup_lionftp.exe - 2Mb - Download - Screenshot

E-Mail Expert
E-Mail Expert is an activeX control and a COM DLL for sending SMTP and MIME e-mail messages. We supply both a DLL and an activeX control to give you maximum flexability. E-Mail Expert works with VB, . NET, C++, VBA, FOXPRO and all other activeX supporting languages. ... E-Mail Expert was designed to be easy to use, yet not restrict developers that have an advanced understanding of email, SMTP, MIME or Winsock. ... Flexible because E-Mail Expert exposes a low-level Winsock interface if you need it.
http://www.evansprogramming.com/dloads/epem303t.exe - 2Mb - Download - Screenshot

SMTP/POP3 Email Engine for Fortran
SMTP/POP3 Email Engine for Fortran Email from your Fortran application. Simple API allows sending and receiving email, including HTML and MIME attachments. Knowledge of Winsock and TCP/IP is not needed. Includes multiple Fortran examples. Requires DEC, Digital, or ABSOFT Fortran.
ftp://ftp.marshallsoft.com/pub/windows/see4f353.zip - 342Kb - Download - Screenshot

Atelier Web Ports Traffic Analyzer
* Real-time mapping of ports to processes (applications and services)! * History since boot-time of all TCP, UDP and RAW ports open through Winsock and respective mapping to processes! * Log since boot-time of data sent and received (up to 500 MB) by above ports! ... * Sophisticated archiving feature allowing to review previous sessions with the same detail as the current session.
http://evalsoftware.atelierweb.com/awpta232.zip - 4Mb - Download - Screenshot

Client/Server Comm Lib for Visual Basic
Client/Server comm VB and VB. NET component library for TCP/IP winsock communication across a network such as the internet or intranet (LAN). CSC4VB uses the Windows API to communicate with other programs across any TCP winsock network. Features include: * Can be used to create both clients and... NET, C#, PowerBASIC, Visual FoxPro, Visual dBase, Xbase++, and COBOL. ... * Order with or without source code for the DLL. ... Can also use with Delphi, Visual C++, C++ . ... * Does not depend on support libraries.
ftp://ftp.marshallsoft.com/pub/windows/csc4vb30.zip - 262Kb - Download - Screenshot

LANView
LANView is a powerful tool for LAN administration. It can quickly obtain information about all hosts on a network, including IP addresses, MAC addresses, hostnames, users and groups. With LANView, capturing and analyzing network packets real time would be convenient. ... Additionally, you can also use it to scan port, broadcast message, remote shutdown, remote wakeup, lookup host, trace route, monitor connections, audit SNMP, find computer, ping, display network traffic, detects local host and get information about IP addresses, network adapter, Winsock, etc.
http://www.jxdev.com/lvsetup.exe - 2Mb - Download - Screenshot

XP TCP/IP Repair
Is Spyware and/or Adware messing up your internet connection after you have uninstalled it? Has your internet connection slowed down and you just don't know why? Have you used an Internet Optimizer that just didn't optimize your internet, instead it made it slower? ... XP TCP/IP Repair is a Graphical User Interface (GUI) for commands in Windows XP that repair your TCP/IP registry settings and your Winsock LSP's. ... What is an LSP? ... Layered Service Providers (LSP) are small pieces of software that can be added or inserted into the Windows TCP/IP handler by other software.
http://www.xp-smoker.com/downloads/xptcprep.exe - 463Kb - Download - Screenshot

Absolute Time Server
Reliable freeware TIME and SNTP server for small to midsize local area networks (LAN) Absolute Time Server is a full-featured time server, which works as WinNT service and is fully RFC-868 and RFC-2030 compatible. Absolute Time Server acts as a background process, has very low system resources... The short list of Absolute Time Server features includes support for RFC-868 (TIME) and RFC-2030 (SNTP) time synchronization protocols, optimized for performance as NT service (and emulation of NT service for Windows 9x systems), WINSOCK 2 support, low consumption of server resources.
http://www.adjusttime.com/downloads/atcs.exe - 970Kb - Download - Screenshot

HS NTP C Source Library
HS NTP is a software library in C (supplied with full source code) which implements the client side of Network Time Protocol (NTP) over UDP socket layer according to RFC1769 and RFC1305. HS NTP Library allows a user application to synchronise local system time to remote NTP server time. ... User application need not worry about Winsock - HS NTP does all transmission, reception and event handling over socket layer. ... The parameters to this event callback contain the offset value in seconds necessary to apply to local clock in order to synchronize it to the time at remote NTP server.
http://www.hillstone-software.com/hs_ntp_demo.exe - 68Kb - Download - Screenshot