7Tweak

Optimize, clean and modify Windows 7

FixWin

Fix Vista and Windows 7 errors almost instantly

SlimCleaner

Optimize and clean your computer for free

Ashampoo Core Tuner

Optimize the calculus potential of your processor

JetClean

Optimize your PC's performance

IObit Uninstaller

Uninstall programs in a very easy manner

CleanUp!

Remove unnecessary files from your computer

Startup Booster

Optimise the system's startup

Baidu PC Faster

Speed up, clean and assure your computer

Total Uninstall

The best way to uninstall our programs

AIDA64

Complete tool for system optimization

PC Health Advisor

Improve your computer's performance

Chrome Cleanup Tool

The official maintenance tool for Google Chrome

Startup Faster!

Manage to make your computer boot as fast as possible

System Speed Booster

Improve the performance of your computer

AVG Tuneup

Complete optimization and maintenance suite for PC

Microsoft Mathematics

Solve mathematical operations with this free tool

WinPlot

Generate 2D and 3D graphics

Statgraphics

Carry out statistical analyses on your data

GeoEnZo

Digital board to teach and learn maths

Mathematica

Platform for computational development

Derive

Powerful tool for symbolic mathematic calculations

Mathcad

Software for engineering calculations

PASW

One of the most powerful statistic solutions on the market

Octave

Applied calculus software very similar to MATLAB

MATLAB

Maths software tool for PC

Maple

Solve complex mathematical operations

IBM SPSS Statistics

Poweful software to collect and analyze statistical data

Minitab

One of the best statistical calculation programs

GeoGebra

Software to learn maths at all levels

MathType

Complete mathematical equation and formula editor