Skype is a well-known program to make calls and videoconferences over the Web and using your own computer, without any cost.

To start using Skype you must simply create an account and add contacts. Once you have done this simple step, you will be able to call your friends with a single click in order to have a conversation as if you were on the phone.

You can also use Skype to set up videocalls to up to 10 contacts and even to communicate with landlines or mobile phones. Bear in mind that for this you will need to buy credits; which are quite affordable and can be purchased in a very simple way.

Finally, Skype has integration with Facebook, currently the largest social network. Thus, you will be able to see the updates from your friends without leaving the program’s interface. Undoubtedly, this application is a powerful communication tool.

Pros:

- Many communication channels included
- High transmission quality
- Additional options at very affordable prices

Cons:

- Requires a fast Internet connection
- Not compatible with other instant messaging services