Web
Witty
Manage your Twitter account from your desktop
X2X Free YouTube Download
Download any YouTube video with just a couple of clicks
Xenu Link Sleuth
Find all the broken links on your website
XStandard Lite
Interesting in-browser XHTML editor
Yacy
Free search engine that works through P2P
Yoono
New application to manage your favorite websites
Yoono Desktop
Follow your friends no matter what social network they are on
YouCatch
Note
Compatible with Windows XP and Vista.
YouChoob
Download Youtube videos with just a couple of clicks
YouDown
Play Youtube videos in HD without internet connection
YouTube MP3 Downloader
Extract audio channel from any YouTube video
ZebDisk
Use Picasa Web Albums storage for your files
ZUploader
Upload images, files and texts to the web at once