Carrying some really useful apps right in your USB Drive can be great @ times when you need them most but you don’t want to carry laptop or any other portable gadget for having some play with them so check the below apps which are really portable they will fit into your Pen Drive and ready to go where ever you take
Free USB Flash Drive Utilities
7-Zip Portable: This portable file archiver compresses 7z, ZIP, GZIP, BZIP2, TAR, RAR files and more.
CodySafe: Carry your computer programs with you, launch them on any PC and leave no footprint behind.
Eraser Portable: Eraser Portable is a secure file-deletion and data wiping utility that runs directly from your USB or thumbdrive.
FileZilla Portable: This is the popular FTP client configured as a portable app. Also available in a U3 version.
KeePass Password Safe Portable: Put all your passwords in one database, which is locked with one master key or a key-disk.
Microsoft USB Flash Drive Manager: Use this application to backup and restore files from and to USB Flash Drive devices and take them with you.
Predator: Lock and unlock your PC by simply removing or inserting a USB flash drive.
PStart: You can start anything runnable from USB key devices or removable disks.
SoftPerfect File Recovery: SoftPerfect File Recovery recovers accidentally deleted files from hard disks, USB flash drives, CF and SD cards and other storage media.
Total Commander: This app is a shareware file manager for Windows with a built-in FTP client with FXP and HTTP proxy support.
Toucan: Synchronize, backup and secure your data with more options than the built-in suite utilities.
Truecrypt: This app creates a virtual encrypted disk within a file and mounts it as a real disk on the USB flash drive.
xPortClone: This utility will automatically copy all files, including protected or hidden files to the specified folder (requires Java).
Free USB Flash Drive Programs
12Voip: 12Voip is free Portable Voice Over IP software that you can use to call landlines and mobile phones for free from any computer with an Internet connection.
AbiWord: This is a free word processing program that allows you to collaborate with multiple people on one document at the same time.
CDBurnerXP: Use this app to burn a CD anywhere, anytime without gaps between tracks.
Foxit Reader Portable: Insert in any PC and open a PDF file without worrying whether the PDF reader is installed. Also available in the U3 version.
GnuCash Portable: This is an open source financial management software packaged as a portable app, so you can take your financial data with you.
Google Chrome Portable: Take your Google browsing with you in an app that integrates easily with the PortableApps.com Suite (see below).
IrfanView Portable: This app supports every image format you can dream up and includes a fast and stable thumbnail viewer.
Mozilla Firefox Portable: Take your favorite browser with you along with all your favorite bookmarks and extensions. Also available in the U3 version.
OperaTor: This is a portable software bundle that allows you to browse the Web anonymously by combining the power of the Opera Browser, Tor and Polipo.
Pidgin Portable: Take your IM settings and buddy lists with you for instant messaging on the go. This app also comes in the U3 version.
OperaTor: This is a portable software bundle that allows you to browse the Web anonymously by combining the power of the Opera Browser, Tor and Polipo.
VDownloader: Watch your favorite videos whenever and wherever you want.
VLC media player: This is a highly portable multimedia player and multimedia framework that can read most audio and video formats as well as DVDs, audio CDs and various streaming protocols.
XMIND — Portable Mind Map: This is an open source mind mapping software utility that can be shared online, shared internally or kept as a personal mind map.
Free Utilities and Programs for U3
1-2-3 Spyware Free for U3: Regular online updates ensure protection against future threats, and real-time protection prevents viruses from infecting your PC.
Accomplice: Accomplice lets you pull together scattered to-do items and related information, prioritize and break them into actionable steps, coordinate them with your teams, and focus on doing what’s critical.
AppSnapper Lite: Launch only the applications you want on your U3 smart drive and never leave anything behind on a host computer.
ArmorSurf Private Browser for PC: ArmorSurf is a private web browser, encrypted file manager, Flash downloader, media player, and video DVD burner that keeps your information safe and secure.
EditPad Lite for U3: You can open as many files at a time as you want, with no arbitrary file size limit and no arbitrary line length limit with this utility.
Evernote for U3: Use Evernote to take notes, organize tasks and to-dos, clip web pages with the text, images, and links, keep snapshots, record audio, write with digital ink and more.
myPodder: This app manages your podcast subscriptions and can be used free of charge in conjunction with the www.podcastready.com website.
Opera for U3: Opera’s widgets keep you on the cutting edge, while the pop-up blocker, tabs, and other innovative features keep you productive and organized.
Personal Finances Lite forU3: Similar to a home accounting system, this program tracks all your expenses, logging regular ones automatically.
Portable Vault Lite — U3 Edition: This app encrypts, hides and password protects your private files and folders from others on your Portable USB Device.
Recover Lost Data — U3 Edition: Recover files from an emptied Recycle Bin, a virus infection, an unexpected system shutdown, or a software failure.
RoboForm2Go For U3: Siber Systems has implemented RoboForm2Go software on U3 platform. Use it to fill out forms from any PC.
Webaroo: This free software service provides you with the power to search web content offline on your laptop, PDA, smartphone and U3 drives.
WinSCP for U3: This open source SFTP and FTP client for Windows uses Secure Shell (SSH) and supports, in addition to Secure FTP, legacy SCP protocol.
Xtraveller for U3: Use this utility as a start manager for important documents, folders and programs on the go.
Zinio Reader for U3: The Zinio Reader allows users to read and interact with their digital publications in ways they can’t with traditional paper publications.