Cisco Packet Tracer

Find out how a network behaves

NetSpeedMonitor

Measure your Internet speed

WinPcap

Library pack for network managers

No-IP

Assign a name to your IP address

Hamachi

Tool to create virtual private networks

GFI LANguard

Check the vulnerabilities of your LAN network

Hide IP

Maintaining your privacy is very simple with this program

NMapWin

Assess your network security by scanning ports

Wireshark

Professional network analyzer

WinBox

Management software for MikroTik routers

Advanced IP Scanner

Analyze the computers connected to your local network

Easy Hide IP

Hide your IP address and your geographic location

Technitium MAC Address Changer

Change your network card's MAC

Find MAC Address

A simple way to find out MAC addresses

RouterPassView

Discover the router passwords that you have forgotten

DynSite

Automatically updates your dynamic IP, very useful for dynamic Internet connections

GeoGebra

Software to learn maths at all levels

MATLAB

Maths software tool for PC

Derive

Powerful tool for symbolic mathematic calculations

IBM SPSS Statistics

Poweful software to collect and analyze statistical data

Microsoft Mathematics

Solve mathematical operations with this free tool

Mathematica

Platform for computational development

MathType

Complete mathematical equation and formula editor

Maple

Solve complex mathematical operations

GeoEnZo

Digital board to teach and learn maths

WinPlot

Generate 2D and 3D graphics

Statgraphics

Carry out statistical analyses on your data

Mathcad

Software for engineering calculations

Octave

Applied calculus software very similar to MATLAB

Minitab

One of the best statistical calculation programs

PASW

One of the most powerful statistic solutions on the market