Songbird
Songbird is a Web player built from Firefox´s browser engine. It is open source and will run on Windows, Mac OS X and Linux. It supports user contributed, cross-platform extensions. Play any MP3 on the Web without leaving the page. It can view Web pages as dynamic playlists that it can play, save, or automatically download every day. It plays your music too. It has all the features you expect in a desktop media player.
Microsoft WorldWide Telescope
The WorldWide Telescope (WWT) is a Web 2.0 visualization software environment that enables your computer to function as a virtual telescope—bringing together imagery from the best ground and space-based telescopes in the world for a seamless exploration of the universe.
Requires Microsoft .NET Framework
Nexus Radio
Nexus Radio is a free full featured radio player for listeners who want to record their favorite radio content for playback on their PC, or any portable device that supports MP3s.
With over 7000+ radio stations and support for thousands more, Nexus Radio delivers the content radio listeners yearn for. Search through a rich variety of radio stations with a straightforward interactive guide that can be updated daily with more content than XM and Sirius radio combined.
Whether you are at home or on the road, Nexus Radio can record your favorite songs or radio shows automatically with TiVo style recording for later playback. MP3s recorded with Nexus Radio can be automatically named and tagged with ID3 tag information, and transferred to your iPod or any other multimedia device effortlessly.
K-Meleon
K-Meleon is an extremely fast, customizable, lightweight web browser for the Win32 (Windows) platform based on the Gecko layout engine (the rendering engine of Mozilla). K-Meleon is free, open source software released under the GNU General Public License.
Localization Firefox Portable
Mozilla Firefox, Portable Edition is available English, French, German and Italian languages. If your language is different this languages, this method of getting Firefox Portable to appear in your locale;
1. Unzip Firefox Portable to your portable drive.
2. Start Firefox Portable.
3. Install the Locale Switcher extension.
4. Download the language pack you’d like to use and install it by selecting FILE-OPEN in Firefox.
5. Close Firefox Portable, wait for it to stop writing to your drive, and then restart it to complete installation of the extensions.
6. Head to TOOLS and the LANGUAGES and select the language you which to switch to.
7. Restart Firefox Portable for the change to take effect (being sure it has fully closed before restarting).
Firefox Portable in Other Languages
Pidgin
Pidgin is an instant messaging program for Windows, Linux, BSD, and other Unixes. You can talk to your friends using AIM, ICQ, Jabber/XMPP, MSN Messenger, Yahoo!, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr.
NASA World Wind
World Wind lets you zoom from satellite altitude into any place on Earth. Leveraging Landsat satellite imagery and Shuttle Radar Topography Mission data, World Wind lets you experience Earth terrain in visually rich 3D, just as if you were really there. Virtually visit any place in the world. Look across the Andes, into the Grand Canyon, over the Alps, or along the African Sahara.
Requires Microsoft .NET Framework