Twitter is without a doubt the best way to share and discover what is happening right now.

This project has been out of update for some time... If you are interested in batch downloading and like to contribute to this project, contact me by ...

YouTube is a place to discover, watch, upload and share videos.

Thousands of userscripts to enhance your browsing experience

Ohloh is an open source directory that anyone can edit. It features comprehensive metrics and analysis on thousands of open source projects.

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...

For iPhone developers who love their apps, App Annie keeps tabs on your apps, making it easy to track sales, rankings, and reviews from around the wor...

We Build your IT résumé, Connect to people, share your knowledge,Find new oportunities

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with fr...

Thinking Chinese - A content website, focusing on modern China, allowing users to improve their Chinese language skills while reading about latest eve...

Diigo is a powerful research tool and a knowledge-sharing community