DynSite

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

GFI LANguard

Check the vulnerabilities of your LAN network

Advanced IP Scanner

Analyze the computers connected to your local network

WinBox

Management software for MikroTik routers

NMapWin

Assess your network security by scanning ports

Hamachi

Tool to create virtual private networks

Hide IP

Maintaining your privacy is very simple with this program

No-IP

Assign a name to your IP address

Cisco Packet Tracer

Find out how a network behaves

Wireshark

Professional network analyzer

NetSpeedMonitor

Measure your Internet speed

WinPcap

Library pack for network managers

Easy Hide IP

Hide your IP address and your geographic location

RouterPassView

Discover the router passwords that you have forgotten

Technitium MAC Address Changer

Change your network card's MAC

Find MAC Address

A simple way to find out MAC addresses

ChemSketch

Tool to learn chemistry by drawing compound structures

Serial Cloner

Molecular biology application

Physics 101 SE

Learn physics and calculate anything whenever you want

SnapGene Viewer

Observe DNA sequences

Model ChemLab

Simulate a chemistry lab on your PC

Biogenesis

Observe the evolutionary process of various organisms

ArgusLab

Application to view and develop molecules

FluidSIM

Program to create exciting electro-pneumatic circuits

EniG. Periodic Table of the Elements

Free periodic table of elements with many extra features

Algodoo

A fun way to learn physics

QPeriodicTable

Discover all the secrets of the chemical elements

PhET

Carry out dozens of scientific experiments from your PC

Curved Spaces

Represent interconnected universes on your PC

Physion

2D virtual physics laboratory