Disqus

Blog and webpage comment system

Embed Facebook

Embed Facebook contents within WordPress pages

Simple Machines Forum

Create and manage your own Internet forum

blogBuddy

Publish your blog with this desktop client

WordPress.com

The CMS par excellence arrives on the desktop

Habari

Easy-to-use CMS with a sober design

Drupal

Manage the publications of your web page

Oxite

Microsoft's alternative to WordPress

Mambo

A complete content management system

e107

Powerful open source CMS

DNN - DotNetNuke

Open source content manager

BuddyPress

Create a social network on your WordPress blog

Newscoop

Online CMS for information professionals

SilverStripe

Manage web contents with an easy-to-use CMS

Textpattern

CMS manager for webpages

CMS Made Simple

Create your personal blog on the Internet

MATLAB

Maths software tool for PC

Mathcad

Software for engineering calculations

Derive

Powerful tool for symbolic mathematic calculations

Octave

Applied calculus software very similar to MATLAB

Statgraphics

Carry out statistical analyses on your data

Minitab

One of the best statistical calculation programs

WinPlot

Generate 2D and 3D graphics

IBM SPSS Statistics

Poweful software to collect and analyze statistical data

GeoGebra

Software to learn maths at all levels

PASW

One of the most powerful statistic solutions on the market

MathType

Complete mathematical equation and formula editor

Maple

Solve complex mathematical operations

Microsoft Mathematics

Solve mathematical operations with this free tool

Mathematica

Platform for computational development

GeoEnZo

Digital board to teach and learn maths