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Hacker News is a social news website that caters to programmers and entrepreneurs, delivering content related to computer science and entrepreneurship.

A social bookmarking website for visual contents — vi.sualize.us allows you to remember your favorite images around the web, and share them with everyone. Sometimes, you are looking through pictures and one of them catches your eye. You know you want to remember it and been able to look at it again in the future, but its not that easy: downloading to your hard disk is as useless as bookmarking the website in the usual way. This is where vi.sualize.us changes the rules. Within two clicks, you can quote the image reference in your account, and easily look at it whenever you want to. »

Lobsters is a technology-focused link-aggregation site. The site is driven by Ruby on Rails with the source code being freely available for those seeking to create a site similar to Reddit or Hackernews.

LWN.net aims to be the premier news and information source for the free software community. We provide comprehensive coverage of development, legal, commercial, and security issues. The LWN.net Weekly Edition is our weekly summary of what has happened in the free software world; our front page offers up-to-the-minute coverage.

Founders share the revenue numbers behind their profitable apps, side projects, and businesses, and give in-depth interviews about how they did it.

News aggregation site that deliver articles about technology, science, and general interest.

spreadit is a link aggregator and bullshit generator.

Snapzu is basically reddit alternative. It is a bit better looking, and the community is rather small so far, but growing. Official description: Snapzu is a platform for web content creation, aggregation & discovery, where users like you help provide content and decide what goes, what stays and what stands out by using community approval.

Grow your audience with a custom news community. Users can signup, submit links, like them, and comment. Style the look and feel of your community to match your brand. Use any domain or subdomain you wish for your community. Free and easy.

Echo JS is a community-driven news site entirely focused on JavaScript development, HTML5, and front-end news.

Empeopled is an online social platform connecting people through high-quality conversations about their shared interests. It serves as a merit-based filter for whom and what users want to know on the Internet. It is a uniquely transparent path to getting recognition and being heard.

quippd is a social news site that anyone can edit.

Check records and see if a domain is available. Lookup IP address, MX, CNAME, SPF, ping, and more. Promote your domain by submitting a link.

Dirty.us is a social news website where anyone can create their own thematic community. Users can publish articles, links, embed videos, photos or even create comic strips.All members of dirty.us can rate each post, comment and user. Transparency is the key aspect of rating system, so every vote is public.Communities have vast selections of settings including the ability to organize elections. This permits other community members to vote for their own President and elect them for a limited term of office.Users do not have a pre-set homepage and are instead encouraged to select their own communities and participate in them. Alternatively they can keep track of all open communities and only filter some of them. »