Screaming Frog SEO Spider

SEO auditing on all kinds of websites

Internet Explorer 7 Standalone

Install Internet Explorer 7 keeping your former browser

SF IE Restorator

Fix small Internet Explorer problems

Multiple Internet Explorer

Try several different versions of Internet Explorer on your computer

Transmute

Copy your favorites from one browser to another

Utilu IE Collection

Test your website in the majority of versions of Internet Explorer

KIDO'Z

A web browser for kids

Xenu

Check the broken links of your web

SEO PowerSuite

The best SEO software for your website

xGen SEO

Increase your website's traffic and improve its positioning

Lunascape

Trident, Gecko and WebKit on the same browser

Silverlight

Enjoy multimedia contents on the Web

Free Monitor for Google

Improve your site's SEO positioning in Google

Seo Panel

A complete SEO control tool

Internet Explorer Zone Analyzer

Compare the security options activated depending on the area

A1 Keyword Research

Optimize your website's positioning by means of keywords

Maple

Solve complex mathematical operations

Octave

Applied calculus software very similar to MATLAB

PASW

One of the most powerful statistic solutions on the market

Mathcad

Software for engineering calculations

GeoGebra

Software to learn maths at all levels

Statgraphics

Carry out statistical analyses on your data

IBM SPSS Statistics

Poweful software to collect and analyze statistical data

MATLAB

Maths software tool for PC

Minitab

One of the best statistical calculation programs

Microsoft Mathematics

Solve mathematical operations with this free tool

Mathematica

Platform for computational development

Derive

Powerful tool for symbolic mathematic calculations

GeoEnZo

Digital board to teach and learn maths

WinPlot

Generate 2D and 3D graphics

MathType

Complete mathematical equation and formula editor