Scilab

The most comprehensive tool to perform numerical calculations

Geometry

Complete trigonometry and geometry calculations easily

Mathcad

Software for engineering calculations

Statgraphics

Carry out statistical analyses on your data

Gretl

Application for econometric analyses

GeoEnZo

Digital board to teach and learn maths

Microsoft Mathematics

Solve mathematical operations with this free tool

Mathematica

Platform for computational development

PASW

One of the most powerful statistic solutions on the market

Euler Mathematical Toolbox

Complete numerical and algebraic computation system

Graphing Calculator 3D

Draw any 2D or 3D function almost instantly

MathType

Complete mathematical equation and formula editor

WinPlot

Generate 2D and 3D graphics

Maple

Solve complex mathematical operations

Derive

Powerful tool for symbolic mathematic calculations

Octave

Applied calculus software very similar to MATLAB

AppServ

Excellent software application to install a web server

Serv-U

Configure a very secure FTP server

Mercury/32

Configure an mail server on your PC

Exchange Server 2013

The perfect solution for corporate email

Apache HTTP Server

Install a powerful web server on your computer

Simple DNS Plus

Create your own DNS server and increase your browsing speed

FileZilla Server

Powerful FTP Server that's totally free

Hermes EMail Server

Efficient free email server

RaidenFTPD

Incredible FTP server for Windows

ArGoSoft Mail Server

Easily install an electronic mail server on any computer

Exchange Server 2003 SP2

Second great pack of updates for Microsoft Exchange Server 2003

Cerberus FTP Server

Install an FTP server on your computer

Active Search Engine

Install you own Web search engine on your server

UpRight

Upload files to Amazon S3