"A political, world events, philosophy, and science video blog discussion site in which the participants take part in an active back and forth conversation via webcam which is then broadcast online to viewers."
Open Office : The leading open-source office software suite for word processing, spreadsheets, presentations, graphics, databases and more. It is available in many languages and works on all common computers.
R programming language: "R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS."
Gimp: "The GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems, in many languages."
Notepad++: "A free (as in 'free speech' and also as in 'free beer') source code editor and Notepad replacement that supports several languages. Running in the MS Windows environment, its use is governed by GPL Licence."
E-Sword: "A fast and effective way to study the Bible. e-Sword is feature rich and user friendly with more capabilities than you would expect in a free software package."
Maxima: "A system for the manipulation of symbolic and numerical expressions, including differentiation, integration, Taylor series, Laplace transforms, ordinary differential equations, systems of linear equations, polynomials, and sets, lists, vectors, matrices, and tensors."
Plot Digitizer: "A Java program used to digitize scanned plots of functional data. Often data is found presented in reports and references as functional X-Y type scatter or line plots. In order to use this data, it must somehow be digitized. This program will allow you to take a scanned image of a plot (in GIF, JPEG, or PNG format) and quickly digitize values off the plot just by clicking the mouse on each data point."
Spybot - Search & Destroy: "Detects and removes spyware, a relatively new kind of threat not yet covered by common anti-virus applications."