Skype Technologies S.A. (Freeware)

Skype is a multi-functional program for chatting and conducting voice or video calls to other people. It was first released in August 2003. With Skype, users can communicate with other people on their computers or mobile phones, through voice and video chat, anywhere in the world. These are encrypted calls which make communication secure.

Aside from free calls to other Skype subscribers, Skype comes with various features such as Skype calling which works like an ordinary phone, video calling which lets you see the person you are talking to, basic chat with emoticons, conference calling up to 25 people, importing contacts and viewing Outlook contacts, organizing groups into specific names which you can share with contacts as well, profile settings which enables you to customize your personal details and information, and also Quickfilter and Speed-Dial which helps you search and find recent conversations.

Other extra features include birthday reminders, call recorders, connecting with Facebook so you can instant message or video call your Facebook friends, sending contacts to your existing contacts, Outlook add-ons, screen sharing, video snapshots gallery, and other accessibility points. Settings for calls and sounds, for both general and personal preferences, may be customized as well.