Opera Internet Browser, Opera-USB:
Opera-USB is a portable port to the world's fastest intgernet browser Opera that you can take with you on a USB flash drive or portable hard drive. Opera is almost a cross between firefox and internet explorer. It is easy to use and includes many neat features such as pop up blocking, e-mail program, RSS newsfeeds and IRC chat. Additionally, Opera offers the ability to add extra tools via widgets.
Download the latest version from here.
Komposer/Nvu Web Editor:
Komposer Portable is an advanced html web page editor that is made to run directly from a portable device. Komposer is based on and is a fork of the Nvu editor but addresses many of the bugs found in Nvu. This application is easy to use assuming that you have used html web page editors like dreamweaver or frontpage before.
Web Page here.
WxDownloadFast Download Manager:
Features
- Faster downloads (with Segmented/Multi-threaded/Accelerated transfers)
- Download resuming (Pause and restart where you stopped)
- Download scheduling
- Organizes files you have already downloaded
- View server messages (HTTP, FTP, file://). No HTTPS support.
- Available in multiple languages and easily translated. Now available in Portuguese [Brazil], Spanish, English, German, Russian, Hungarian, Armenian, Indonesian and Dutch
- Connection to HTTP/FTP servers which require a password
- Calculates the MD5/SHA1 checksum of downloaded files so they can be easily verified
- Metalink support
- Firefox integration through FlashGot
- Can be used as a portable download manager (Windows only)
- Can be used over proxy servers(HTTP proxy support)
Webpage: here.
Filezilla FTP browser/client:
FileZilla Portable is the popular FileZilla FTP client packaged as a portable application, so you can take your server list and settings with you. You can place it on your USB flash drive, iPod, portable hard drive or on a CD and use it on any computer, without leaving any personal information behind.
Web page: here.
Pidgin Instant Messenger:
Pidgin (formerly Gaim) is the versatile Pidgin instant messaging client , so you can take your IM settings and buddy lists with you. It has all the same great features as Pidgin, including support for AOL, Yahoo, MSN, ICQ and Jabber networks, but there's nothing to install on the local PC. You can also easily add portable encryption plugins for secure, encrypted messaging.
Web Page: here.