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Digg delivers the most interesting and talked-about stories on the Web right now.
IPhone and iPad apps available.
Hacker News is a social news website that caters to programmers and entrepreneurs, delivering content related to computer scie ...
Startups get your queries answered by the World's Top Investors and Entrepreneurs. Startups + Investors +Entrepreneurs Connect.
4chan is a simple image-based bulletin board where anyone can post comments and share images. There are boards dedicated to a ...
Quora.com is a question/answer service allowing users to pose questions that other users can answer, each question and answer ...
Unsatisfied with the few link sharing communities that were available and their proprietary, untransparent and non-secure natu ...
Snapzu is basically reddit alternative. It is a bit better looking, and the community is rather small so far, but growing. Off ...
Reddit is a social news site allowing users to submit articles, vote on them, and engage in discussions. Like other social new ...
Stack Exchange is a fast-growing network of 84 [and counting] question and answer sites on diverse topics from software progra ...
Riple is your go-to community for discovering and sharing the best online content in groups. Features: • Join groups to disco ...
A social bookmarking website for visual contents — vi.sualize.us allows you to remember your favorite images around the web, a ...
News for nerds, stuff that matters. Slashdot (aka /.) is a technology-related news and discussion site with a focus on Linux, ...
LWN.net aims to be the premier news and information source for the free software community. We provide comprehensive coverage ...
Telescope is an open-source app that lets you easily set up your own online community. You can use it to create your own discu ...