Gretl

Application for econometric analyses

Scilab

The most comprehensive tool to perform numerical calculations

WinPlot

Generate 2D and 3D graphics

Graphing Calculator 3D

Draw any 2D or 3D function almost instantly

Mathematica

Platform for computational development

GeoEnZo

Digital board to teach and learn maths

Euler Mathematical Toolbox

Complete numerical and algebraic computation system

Octave

Applied calculus software very similar to MATLAB

PASW

One of the most powerful statistic solutions on the market

Maple

Solve complex mathematical operations

Derive

Powerful tool for symbolic mathematic calculations

Mathcad

Software for engineering calculations

Minitab

One of the best statistical calculation programs

Microsoft Mathematics

Solve mathematical operations with this free tool

MathType

Complete mathematical equation and formula editor

Statgraphics

Carry out statistical analyses on your data

AVG Secure VPN

Keep your online activities protected

OpenVPN

An open-source VPN

VyprVPN

Browse safely with a VPN

NordVPN

The best VPN to browse safely and privately

PureVPN

VPN service for Windows

VPN Gate Client

Free and open-source VPN service

Avast SecureLine VPN

Protect your privacy when browsing the Internet

TunnelBear

Browse the Internet with absolute freedom

Betternet

Free VPN to browse the Internet

ZenMate

Browse safely and avoid restrictions

ExpressVPN

Add the VPN service's extension to your browser

Astrill VPN

Browse with a VPN and protect your privacy

Vpn One Click

Connect to the Internet anonymously

Cyberghost VPN

Hide your Internet practices behind a VPN

Surfshark

Make the Internet a safer place with more freedom