Sock

BIGSPEED Secure Socket Library
Free - BIGSPEED Computing Inc.

ActiveX control for secure private networking with 128-bit AES encryption and on-the-fly compression. Implements a flexible message-oriented protocol on top of a single TCP connection. Information is exchanged through typed data packets identified by a command code. Utilizes an elegant event-driven paradigm for easy integration into Windows applications. Can be used both on client and server side, with centralized management of all connections.

winsock, windows, sniffer, sockets, https proxy, socks proxy, https tunnel, ssl tunnel, proxy, http, firewall, manager

---

HS SMTP Lite
Free - Hillstone Software

HS SMTP LITE is a software library in C (supplied with full source code) which implements the client side of Simple Mail Transfer Protocol (SMTP) over TCP socket layer according to RFC 821. Supports transfer of text and file attachments. HS SMTP Library incorporates the necessary state machine, transparency procedures, and server response processing required to comply to a simple and robust SMTP client implementation.

tunnel, connect, internet, socks4, protocol module, socks5, security, encryption, secure, https, protocol library, anonymity

---

HS TFTP C Source Library
Free - Hillstone Software

HS TFTP is a software library in C (supplied with full source code) which implements Trivial File Transfer Protocol (TFTP) over UDP socket layer according to RFC 1350. Support for client and server side for both file get and put are provided. *Features: * TFTP server and client * - TFTP File upload * TFTP File download

checker, soft, c source module, privacy, through, list, protection, test, server, chain, c source library, anonymizer

---

Free FTP and Download Manager
Free - SoftwareClub.ws

Ftp and download manager Transfer files with ease using this intuitive and powerful FTP client. Ftp and download manger is a multithreaded FTPhelper for Windows that's easy for beginners to use and has enough features to be useful to power users as well. Using its intuitive drag-and-drop Explorer-like interface, Ftp and download manger lets you update a Web site with a single click and resume interrupted downloads or uploads.

private, http tunnel, networking, secure vnc, tftp, file, network, ssh2, email, mime, rfc821, base64 tcp

---

SSH Tunnel
Free - rs4u software design

SSH 1+2, reconnect, backup tunnels, integrated firewall, reconfiguration of MS Internet Explorer and much more

smtp, bullet proof, download manager, ws ftp, download, cheap, accelerate, recursive, alligator, internet tool, connection, cool

---

SmartSniff
Free - NirSoft Freeware

SmartSniff allows you to capture TCP/IP packets that pass through your network adapter, and view the captured data as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for text-based protocols, like HTTP, SMTP, POP3 and FTP.) or as hex dump. (for non-text base protocols, like DNS)

folder, upload, resume, easy, sock 4 0, popular, ftp program, download tool, console, good, transfer, sock 5 0

---