1. TeamViewer (Remote Control)

TeamViewer is a proprietary computer software package for remote control, desktop sharing, online meetings, web conferencing and file transfer between computers. The software operates with the Microsoft Windows, OS X, Linux, iOS, Android, Windows RT and Windows Phone operating systems. It is also possible to access a machine running TeamViewer with a web browser. While the main focus of the application is remote control of computers, collaboration and presentation features are included.

2. Firefox

Mozilla Firefox is a free and open source web browser developed for Windows, OS X, and Linux, with a mobile version for Android, by Mozilla Foundation and its subsidiary, the Mozilla Corporation. Firefox uses the Gecko layout engine to render web pages, which implements current and anticipated web standards.As of July 2013, Firefox has between 16% and 21% of worldwide usage, making it the third most popular web browse. According to Mozilla, Firefox counts over 450 million users around the world.

3. Google Chrome

Google Chrome is a freeware web browser developed by Google. It used the WebKit layout engine until version 27 and, with the exception of its iOS releases, from version 28 and beyond uses the WebKit fork Blink. It was first released as a beta version for Microsoft Windows on September 2, 2008, and as a stable public release on December 11, 2008.In September 2008, Google released the majority of Chrome’s source code as an open source project called Chromium, on which Chrome releases are still based.

4. Adobe Flash Player

The Adobe Flash Player is freeware software for viewing multimedia, executing rich Internet applications, and streaming video and audio, content created on the Adobe Flash platform. Flash Player can run from a web browser (as a browser plug-in) or on supported mobile devices, but there also exist versions running directly on an operating system intended both for regular users and content developers, denoted with the Projector (or Standalone) and Debugger name suffixes, respectively.

5. Java

Java is a set of several computer software products and specifications from Sun Microsystems (which has since merged with Oracle Corporation), that together provide a system for developing application software and deploying it in a cross-platform computing environment. Java is used in a wide variety of computing platforms from embedded devices and mobile phones on the low end, to enterprise servers and supercomputers on the high end.