JustVoip

Make low cost phone calls thanks to VoIP technology

iFree Skype Recorder

Comfortably record your Skype conversations

PC 2 Phone

fonYou service for Windows

Classic Shell

Tricks and settings for the start menu and the explorer

Jitsi Meet

App for making VoIP and video calls

Clownfish Voice Changer

Change your voice in real time

TeamSpeak

Speak and chat with your friends on the Internet

MicroSIP

A lightweight program to make phone calls

WalkieTalkie

Free Voip calls

KishKish SAM

A practical answering machine for Skype users

VoipWise

Very complete VoIP client

ooVoo

VoIP client to chat with your contacts

PrettyMay

Increase Skype's options

Pamela Skype

Conversation recorder and answering machine for Skype

QuteCom

SIP softphone to speak and send free messages

SkypeLogView

Find out all the data that Skype stores

PhET

Carry out dozens of scientific experiments from your PC

SnapGene Viewer

Observe DNA sequences

EniG. Periodic Table of the Elements

Free periodic table of elements with many extra features

Serial Cloner

Molecular biology application

Model ChemLab

Simulate a chemistry lab on your PC

Biogenesis

Observe the evolutionary process of various organisms

Algodoo

A fun way to learn physics

Physion

2D virtual physics laboratory

Curved Spaces

Represent interconnected universes on your PC

QPeriodicTable

Discover all the secrets of the chemical elements

ArgusLab

Application to view and develop molecules

ChemSketch

Tool to learn chemistry by drawing compound structures

FluidSIM

Program to create exciting electro-pneumatic circuits

Physics 101 SE

Learn physics and calculate anything whenever you want