Portable Applications
Portable applications are great, you can carry your favorite programs along. Use them on any computer.
Put the applications on your portable device, sd card, USB stick or Mobile Phone and just run it.
A great site to start looking for your favorite apps is portableapps.com

And also on pendriveapps.com you can find a lot portable applications

Some favorite apps I like to carry with me for scripting, development and design;
- ABRView (show brushes on your system that you for example use in GIMP)
download from the easyelements website - Colorcombinate (choose colors for your templates)
download from the Colorcombinate SourceForge website - FastStone Photo Resizer (quickly resize a batch of images)
- FileZilla ( sFTP – file transfer to your webserver)
- FireFox (webbrowser)
- FLVConverter (convert all movie formats to FLV (for streaming))
- FontViewerDP4 (show fonttypes)
- GIMP (Gnu Image Manipulation Program)
download from the GIMP website - GoogleChrome (webbrowser)
- Inkscape (vector graphics editor)
download from the Inkscape website - Irfanview (image viewer)
download from the PortableApps website - Notepad ++ (text editor)
- OpenOffice (office suite, also for creating PDF files)
- PickPick (screenshot capture)
- Pidgin (IM Client)
- PhotoFiltre (Editing and Drawing)
download from the PhotoFiltre website - Skype (calls)
- Thunderbird (mail program)
- Xampp (local webserver, including PHP and MySQL)