| ZoDNS Offers free DNS services, both primary and secondary. | |
| Yet Another SSL The yaSSL software package is an open source, dual licensed implementation of SSL. It includes SSL client libraries and an SSL server implementation. | |
| XNS.org Independent organization managing the eXtensible Name Service, an open protocol and open-source platform for universal addressing, automated data exchange, and privacy control. Includes an overview, charter, history, and specifications. | |
| XName XName provides free backup DNS service, web managed. | |
| XBill DNSJava A DNS resolver written in java. | |
| Worldwidedns.net Providing a simple to use interface for end users and business. Free reseller systems available. Primary and secondary DNS services available on all accounts. | |
| wodSSH Component Client COM module supporting telnet and SSH access. | |
| Wisconsin Advanced Internet Laboratory Research projects focus on network measurement, network anomaly detection, and traffic management. | |
| WinSSHD An SSH2 server for the Windows NT/2000. Additionally supports secure file transfer with SFTP and SCP, TCP/IP tunneling. Evaluation version available. | |
| WinSCP Open source graphical SFTP client for Windows. Legacy SCP protocol is also supported. | |
| Windows NT Utilities A command-line SSH client. Supports secure file copying. | |
| What's My IP Address Includes Whois, IP, DNS and other lookup tools. | |
| What is SMB? A document on the SMB protocol. | |
| What Is My IP Address? Free service automatically determines one's address on the Internet. | |
| What is my ip Look up your IPv6 address. | |
| WebHostSelect dig Free online DNS Dig tool, similar to the UNIX 'dig' command. | |
| WebFTP Service Web based FTP client service for file transfer to any FTP server in the world. | |
| WebDNS Free primary and secondary zone file management. Unlimited domains and zones. Instant updates with easy to use control panel. | |
| Web-Based NSlookup page You can query any domain here to find the DNS information similar to a nslookup. Links to whois information. | |
| Vovida RTSP Stack The Vovida Open Communication Application Library (VOCAL) is an open source project targeted at facilitating the adoption of VoIP in the marketplace. The Vovida implementation of RTSP includes an RTSP stack and server with playing and recording capabiliti | |
