Free Voice over IP

Gizmo - Is a free internet phone for your Mac, Linux and even Windows.

Free FTP server

GuildFTPd is a free and good FTP server for Windows.

What is FTP ?

Free Owner's Manuals links

Today I tried to find a owner's manuals for my Sony projection TV, and to my surprise the first links that I found on Google were to sites that are charging a fee to give you a link to a free pdf file of owner's manuals for many popular brands of consumer electronics, That just won't do. So here are the ones I have found so far.
So if you need a owner's manual for
Apple
Bose
Hitachi
JVC
KitchenAid
LoJack
Mitsubishi
Panasonic
Samsung
Sanyo
Sony
Toshiba

* I will add links as I find them.

Free mind mapping software

FreeMind is a premier free mind-mapping software written in Java. The recent development has hopefully turned it into high productivity tool.

Free Vector Graphics Editor

Inkscape is an Open Source vector graphics editor, with capabilities similar to Illustrator, Freehand, CorelDraw, or Xara X using the W3C standard Scalable Vector Graphics (SVG) file format. Supported SVG features include shapes, paths, text, markers, clones, alpha blending, transforms, gradients, patterns, and grouping. Inkscape also supports Creative Commons meta-data, node editing, layers, complex path operations, bitmap tracing, text-on-path, flowed text, direct XML editing, and more. It imports formats such as JPEG, PNG, TIFF, and others and exports PNG as well as multiple vector-based formats.

Free Media Center for Mac

If you think Front Row on the new Mac's is cool. Well the Open Source community has come through for us.
CenterStage is on open source project to build a powerful and intuitive media center application for the Apple Macintosh, this project was inspired by the launch of the Mac mini, an ideal Mac to use as part of a home theatre system.

Free Web Authoring System

Nvu
Finally! A complete Web Authoring System for Linux Desktop users as well as Microsoft Windows and Macintosh users to rival programs like FrontPage and Dreamweaver.

Free FTP and SFTP Browser for Mac OS X

If you are like me and just need a ftp client from time to time, then Cyberduck is for you.
The website said:
" Cyberduck is a open source FTP and SFTP (SSH Secure File Transfer) browser licenced under the GPL with an easy to use interface, integration with external editors and support for many Mac OS X system technologies such as Spotlight, Bonjour, the Keychain and AppleScript."
So I tried it, and it works great ! And it is Universal Application, so you can use it an Power-PC and Intel based Mac's