In Devlounge they have made a compilation of 10 portable programs for web design and development. So you can always carry the essential tools with you to touch up and fix your websites and also for design your appearance and write your code.
The programs Portable are those that can be opened on any computer no need to install it, so they can be used on a computer that is not your own to fix anything and then close it without leaving a trace on your hard drive.
These programs can be save on any connected external drive USB, be it a pendrive, a portable hard disk, an Mp3 player and also in CD y DVDs.
Download | 10 applications for web design and development
Source | Simple Things