Scilab

The most comprehensive tool to perform numerical calculations

Octave

Applied calculus software very similar to MATLAB

Gretl

Application for econometric analyses

PASW

One of the most powerful statistic solutions on the market

Graphing Calculator 3D

Draw any 2D or 3D function almost instantly

Mathematica

Platform for computational development

Derive

Powerful tool for symbolic mathematic calculations

Euler Mathematical Toolbox

Complete numerical and algebraic computation system

GeoEnZo

Digital board to teach and learn maths

Statgraphics

Carry out statistical analyses on your data

MathType

Complete mathematical equation and formula editor

WinPlot

Generate 2D and 3D graphics

Geometry

Complete trigonometry and geometry calculations easily

Microsoft Mathematics

Solve mathematical operations with this free tool

Mathcad

Software for engineering calculations

Maple

Solve complex mathematical operations

TuneUp Media

Optimize the organization of your music collection with iTunes

Tagalicious

Edit the metadata of all your music

Tune Sweeper

Software to manage your iTunes library

Jaikoz

Excellent tag editor for audio files

Music Collection

Music collection organiser and manager

MP3 Tag Express

Tag correctly all the songs in your music collection

Mp3tag

Great tool to edit the metadata of audio files

MP3 Deluxe

One of the most complete music organizers

meta-iPod

Keep your iTunes library sorted

Tag Clinic

Edit the metadata of your digital audio files

MusicMatch Jukebox

A complete player and cataloger for your music

Music Tag

Automatically tag your music in MP3 format

Jaangle

Organize your music library with innovating features

EasyTAG

Easily tag your music collection

Libra

Manage various libraries in iTunes at the same time