portable version of T r u e C r y p t , free disk encryption software for Windows 7/Vista/XP, Mac OS X, and Linux
Main Features:

* Creates a virtual encrypted disk within a file and mounts it as a real disk.

* Encrypts an entire partition or storage device such as USB flash drive or hard drive.

* Encrypts a partition or drive where Windows is installed (pre-boot authentication).

* Encryption is automatic, real-time (on-the-fly) and transparent.

* Parallelization and pipelining allow data to be read and written as fast as if the drive was not encrypted.

* Provides plausible deniability, in case an adversary forces you to reveal the password:

Hidden volume (steganography) and hidden operating system.

* Encryption algorithms: AES-256, Serpent, and Twofish. Mode of operation: XTS.

Further information regarding features of the software may be found in the documentation.

Portable Edition from the popular web browser, this is the lates version Firefox Portable 3.6 Beta 3 .

Mozilla Firefox is a fast, full-featured web browser that’s easy to use. It has lots of great features including popup-blocking, tabbed-browsing, integrated search, improved privacy features, automatic updating and more.

If you need portable opera 10.00, you can download this Opera@USB 10.00 .
features of “Opera@USB”:

Speed Dial:
· Now you have a new way to access your favorite Web sites. Just open a new tab to get your Speed Dial. It’s easy to populate and addictive to use.

Fraud protection:
· Opera’s advanced fraud protection protects you against web sites that try to steal your personal information. Watch the demo to learn how to enable this feature.

BitTorrent:
· You don’t need a separate BitTorrent application to download large files. Simply click a torrent link and start the download.

Add your favorite search engines:
· Right-click on the site’s search field and select “Create search” from the menu.

Site preferences:
· Want to view a site in a different way or deny certain cookies? Want to block pop-ups on certain sites only? Right click and select “Edit site preferences”.

Widgets:
· Small Web applications (multimedia, newsfeeds, games and more) that make your desktop experience more fun. Use the Widgets menu to discover new widgets and access your favorites. Visit widgets.opera.com to learn more.

Thumbnail preview:
· It is easy to have many tabs open at once in Opera. But exactly which tab had that video you wanted? Hover your mouse on any tab to see a thumbnail preview.

and more