Which are the portable software applications that run from USB?

The portable software applications can be installed on any portable device like a USB Flash Drive and use them at work.The portable programs are very useful as you can carry them anywhere and use it an any computer. When you unplug the device, it will not leave behind any sort of information. There are different types of software applications available in portable format namely, office software, email tools, messengers etc.

Portable Office Software: The office software which are available in portable format are Abiword (word processor compatible with MS Word), Open Office which is a free alternative to MS Office and PDF Viewers like Sumatra.

Portable Email Programs: Mozilla Thunderbird is an excellent email client.

Text Messenger: iChat and Newspeak is very popular in portable format.

Media Tools: Audacity is a simple audio editor with recording features and VLC is a very useful media player that can play all audio and video formats.

Image Editors: GIMP is similar to Photoshop and IrfanView is a graphic viewer with simple editing features.

Security Software: Smart Sniff helps you to inspect the network traffic while RoboFor2Go is a secure password manager.

Games: There are many portable games available but the most popular ones are NeverBall which is a puzzle based action game and Generally which is a 2D racing game.