Lambda the Ultimate is described as 'community blogging website about programming languages, their theory and their research created in 2000 by Ehud Lamm' and is an website in the News & Books category. There are more than 25 alternatives to Lambda the Ultimate, not only websites but also apps for a variety of platforms, including Android, iPhone, Windows and iPad. The best alternative is Reddit, which is free. Other great sites and apps similar to Lambda the Ultimate are Hacker News (Free), SaidIt.net (Free, Open Source), Lobsters (Free, Open Source) and Ruqqus.com (Free, Open Source).
Reddit (stylized in its logo as reddit) is an American social news aggregation, web content rating, and discussion website. Registered members submit content to the site such as links, text posts, and images, which are then voted up or down by other members.
Uncensored free speech alternative to the extreme Reddit and Voat forums, democratically civilized by Graham's Debate Pyramid, no illegal transactions nor porn. Truth-seeking anti-corruption news are among the popular themes. Android app, iOS soon.
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.
Unsatisfied with the few link sharing communities that were available and their proprietary, untransparent and non-secure nature, ziq made the original raddle.me (then known as raddit.me) with Wordpress, but it had a lot of limitations.
News for nerds, stuff that matters. Slashdot (aka /.) is a technology-related news and discussion site with a focus on Linux, free and open source software and information freedom and privacy issues. The software it runs on, called Slashcode, is open source.