HEATKEYS

Quora is a continually improving collection of questions and answers created, edited, and organized by everyone who uses it.

Front Porch music store that is run by professional musicians. The service, advice, and expertise is derived from performers encompassing all musical genres.

Information, code, tutorials, and blog about mobile, blackberry, iphone, android, windows mobile, data mining, social networking, data visualization, prefuse, flare, and processing.

ProgrammableWeb.com keeps you up to date with web mashups and APIs: what

Social Media news blog covering cool new websites and social networks: Facebook, Google, Twitter, MySpace and YouTube. The latest web technology news, via RSS daily.

Floor plan interior design software. Design your house, home, room, apartment, kitchen, bathroom, bedroom, office or classroom online for free or sell real estate better with interactive 2D and 3D floorplans.

CrunchBase is the free database of technology companies, people, and investors that anyone can edit.

Search Engine Optimization and Marketing forum.

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 world.