#4.Skype Qik

Skype Qik is a video messaging service by Skype. It was created from the technology that Skype Technologies acquired through the purchase of Qik. The service, offered for Android, iOS, and Windows Phone devices, allows users to exchange video messages between individuals or within a group. New messages are added to a chat that you can watch like a movie with a single tap. Qik even lets you erase your video right out of the chat.

#5.Office Remote

Office remote is a free download from Microsoft that allows you to control Microsoft Office programs like Word, Excel and PowerPoint on your PC, iPad, or iPhone, so that you can move around freely during presentations. Using Office Remote, you can jump between PowerPoint slides and control an on-screen "laser pointer" with your finger. The app also lets users scroll through Word documents or quickly pull up a specific section, and they are also able to navigate through Excel spreadsheets. It's available for Windows Phone 8, iPad, and iPhone.

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