Mathematica

Platform for computational development

Octave

Applied calculus software very similar to MATLAB

WinPlot

Generate 2D and 3D graphics

MathType

Complete mathematical equation and formula editor

Maple

Solve complex mathematical operations

Gretl

Application for econometric analyses

Euler Mathematical Toolbox

Complete numerical and algebraic computation system

PASW

One of the most powerful statistic solutions on the market

Scilab

The most comprehensive tool to perform numerical calculations

Mathcad

Software for engineering calculations

Derive

Powerful tool for symbolic mathematic calculations

Geometry

Complete trigonometry and geometry calculations easily

Microsoft Mathematics

Solve mathematical operations with this free tool

GeoEnZo

Digital board to teach and learn maths

Statgraphics

Carry out statistical analyses on your data

Graphing Calculator 3D

Draw any 2D or 3D function almost instantly

JDownloader

The most complete download manager

Inspyder Web2Disk

Download your favorite websites on your computer

Music MP3 Downloader

Download music in MP3

Internet Download Accelerator

An efficient download accelerator with multiple options

Orbit Downloader

One of the best free download managers

PageNest

Download web pages and sites to your computer

fbDownloader

A quick way to download photos from Facebook

Easy Video Downloader

Grab all the videos you want from YouTube and other similar webs

Manga Downloader

Download all your manga from sites like OneManga, MangaFox and Manga Hut

JDownloader Portable

The portable version of the most complete download manager

DepositFiles

Download manager for this storage service

Internet Download Manager

Extremely fast and organized download manager

Google Books Downloader

Program to download books from Google Books

Teleport Pro

Download entire webs and browse offline

MegaDownloader

Unofficial client to manage downloads from Mega