Free software to screen capture in MAC, not only static image, but also video. Good for making tutorial for your website or any other usages.

But the video is limited to 60 seconds only. Though the limit, it is still a good free software to do so.

As title, it's free software. It can let you create and edit your tablature.

And most importantly, it's compatible to most of the tab editor in the market, like guitarpro, powertab, etc. You can download the music files in any formats and then open with TuxGuitar.

If you are new to guitar learning and tab editing, this software can save you some money on buying the software.

It supports various OS, MS Windows, Linux, and Mac OS.

It's faster and more fancy. And it claims to have +15000 improvements, need some time to find it out.

Another free software for converting video to Ipod. But it is faster than others.

Free video converter to convert video from any formats to your ipod.
Many possibilities but still the interface is easy to use.

OpenTTD is a clone of the Microprose game "Transport Tycoon Deluxe", a popular game originally written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.

To install openttd in MAC OS X and Linux, it is not as simple as install in windows.
1. Download the original zip file for Windows http://mavromatis.moved.in/mavs/TTD/ttd-win.zip

Software that uses to implement the traditional pencil drawing animation.

Support .swf and .png export. I am new to this software, and will share more experience after using.

Another mac free software compilation.

Free mobile software that allow calls over Wifi and 3G. It supports several protocols, which includes MSN, Skype, ICQ and Google Talk.

Here is the simple guide,
First, download the software through your mobile by going to the link and click download. Fill in your mobile number and the model of your mobile phone. You will receive a SMS message about downloading.
Then, install the software and set up the accounts.
After that, you can make call to your friends through Fring.

Attached also the user guide from Fring.com

Enjoy Free Calls on your mobile.

It contains links to the open source softwares for Mac OS. Categorized into different usages, from web browsing to html editing to dvd ripping. It simply suggests the best free software for specific use.