Tool Name Description
Audacity

A cross-platform, open source...

Edublogs.org

The site uses Wordpress to host blogs for teachers, students, researchers, professors, librarians, administrators and anyone else involved in education.

Edublogs are completely free,...

Firefox

a web browser...

GIMP

GNU Image Manipulation Program, or GIMP, is a raster graphics editor used to create and process digital graphics and photographs.
Gizmo

An open source alternative to Skype.
Includes built in ability to record calls.
Hot Potatoes

 The Hot Potatoes suite includes six applications, enabling you to create interactive multiple-choice, short-answer,...

Irfanview

a free image viewer program that can  be used to view, edit, and convert image files.

Kompozer

KompoZer is a complete web authoring system that combines web file...

Network-Tools.com

Ping, Tracerout, Whois and other basic network tool
Screencast-o-matic

Screencast-O-Matic is the free and easy way to create a video recording of your screen and upload...

Skype

The most popular telephony program.
Computer to computer calling is free. Computer to phone is relatively low priced. Also supports text messaging, video calls,and file transfer.
Slideshare From http://www.slideshare.net/about
SlideShare is the best way to get your slides out there...
SpeedTest.net

Free, easy to use way of determining the download...