It can be very beneficial to store at least some applications on an external USB stick or device. This can then be used for many different purposes from troubleshooting PC issues to security and privacy issues as well as running programs that are otherwise not available on the target computer.
Users can either create their own stick by storing portable applications on it or use one of the available packages or suites that contain many of the most popular applications. These suites often come with their own program launcher to make that process more comfortable as well.
WinPenPack are collections of free software packages that can be stored on removable devices. The compilations cater to different needs from school or web related collections to games and a complete collection that fits on a 2 Gigabyte stick.
The programs included in each package vary but usually include some of the most popular portable programs like Open Office, Sumatra PDF reader, the RSS reader RSSOwl, Firefox and Thunderbird, winSCP or Eraser.
Each software pack is provided as a zip file and executable. A listing of all available programs is also linked from each page to provide users with essential information before they start downloading a package.

The program launcher displays all available programs in a category listing by default. Programs can be directly launched from there. The launcher offers a search as well in case a program cannot be located this way (which is unlikely).
The files can simply be moved to the USB stick and the launcher started from the root directory whenever it is needed. The programs can also be launched directly from their directories whenever needed. All different editions of WinPenPack can be downloaded from the project website.
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Love the USB utils! Will give these guys a try.
Between the USB apps and the Live/PE bootables, life is getting a little easier(and confounding) for technicians.
Would be nice to see a roundup article or two on the many, many, many choices available out there.
You should do a write up on PortableFreeware.com, it seems your site does alot of write ups on Portable (not including .NET Framework) Software and makes it into TPFC database.
My favorite portable suite is LiberKey. You can choose basic, standard, ultimate, or custom suites. Up to 286 portable applications and a clean, simple launcher. The LiberKey team have picked the best applications and keep updating their portable suites.
LiberKey is free, as are all of the applications. BUT, LiberKey’s very best feature is that the applications are all automatically updated when you plug in the key.
LiberKey is a fantastic program. I have it installed on a key for traveling or for assisting others with their computers. I also have it installed on my hard drive as my primary utility suite. It’s really good.
Check LiberKey out at:
http://www.liberkey.com/
I think winPenPack and PortableApps are the two best portable software collections.But I prefer winPenPack because programs are better developed..
I use it, and I love this suite!
In my humbly opinion this is the best one!
Development of new programs and it’s update is very fast, and made always ONLY AFTER TESTING!
This behaviour is not followed on other suites present on the web. I’ve tested and rejected some of these, because sometimes last releases are not really 100% portable. They leave traces in windows registry.
For example: portable: PA, Liberkey, Lupo…