Freeware - Internet / Network

Mozilla FireFox - http://www.mozilla.org/products/firefox/

A freeware Web Browser, Firefox empowers you to browse faster, more safely and more efficiently than with any other browser.

Google Chrome - http://www.google.com/chrome/

A freeware Web Browser, Google Chrome launches in a snap. Loads web pages very fast and has many other very cool features. (my favorite)

Core FTP Lite - http://www.coreftp.com/

An excellent Free FTP client! This free, secure FTP client gives you a fast, easy, reliable way to update and maintain your website via FTP. It also provides a secure method (via SSL, TLS, or SFTP) to upload / download files to and from FTP servers. There are no popup ads, advertising or spyware and your're never asked or reminded to register. Tons of features! This software can use sounds for events. Here is a good sound to use for Connection and Disconnection.

HTTRACK - http://www.httrack.com/

HTTRACK is essentially a website copier. It allows you to download a World Wide Web site from the Internet to a local directory, building recursively all directories, getting HTML, images, and other files from the server to your computer. HTTrack arranges the original site's relative link-structure. Simply open a page of the "mirrored" website in your browser, and you can browse the site from link to link, as if you were viewing it online. HTTrack can also update an existing mirrored site, and resume interrupted downloads. HTTrack is fully configurable, and has an integrated help system.

NoteTab Light - http://www.notetab.com/

NoteTab is a leading-edge text and HTML editor. Winner of software industry awards since 1998, this application does it all: it easily handles a stack of huge files; lets you format text to your heart's content; does system-wide searches, and multi-line global replacements. It even corrects your spelling mistakes. This program is like a super charged version of Notepad. It is not a GUI webpage authoring tool.

KompoZer - http://www.kompozer.net/

KompoZer is a complete web authoring system that combines web file management and easy-to-use WYSIWYG web page editing.
KompoZer is designed to be extremely easy to use, making it ideal for non-technical computer users who want to create an attractive, professional-looking web site without needing to know HTML or web coding. users.

NetMap - http://www.scottfam.us/useful/netmap

Netmap was designed to be a Quick Mapping Tool. NetMap makes it easy for you to map up to eight different locations on your network very easily. Netmap can store your settings within a configuration file so that you can take the information with you! Great for those using laptops or for those who just need an additional mapping within the office. Works on home networks too!

Amaya - http://www.w3.org/Amaya/

Amaya is a Web editor, i.e. a tool used to create and update documents directly on the Web. Browsing features are seamlessly integrated with the editing and remote access features in a uniform environment. This follows the original vision of the Web as a space for collaboration and not just a one-way publishing medium.

Microsoft Research Virtual WiFi -http://research.microsoft.com/research/downloads/Details/994abd5f-53d1-4dba-a9d8-8ba1dcccead7/Details.aspx

Virtual WiFi helps a user connect to multiple IEEE 802.11 networks with one WiFi card. VIt works by exposing multiple virtual adapters, one for each wireless network to which connectivity is desired. Virtual WiFi uses a network hopping scheme to switch the wireless card across the desired wireless networks. Switching between networks is transparent to the applications, such that the user feels she is connected to multiple wireless networks simultaneously. (Personal note: I have not personally used this software, but it sounds very interesting. Also note that it may not work with Vista.)

FlashGet Download Manager - http://www.flashget.com/index_en.htm

FlashGet is the leading download manager with the highest amount of users on the internet. If you have a very large file to download then this program can help! FlashGet uses MHT(Multi-server Hyper-threading Transportation) technique which allows downloads to be 6-10 times faster, supports various protocols and has excellent document management features. FlashGet is freeware without adware or spyware.
Native Language of FlashGet link: http://www.flashget.com/ (English link shown above).
Suggested by Shimon Lebowitz of Yerushalayim, Israel.