Community websites

Wikidata is a collaboratively edited multilingual knowledge graph hosted by the Wikimedia Foundation. It is a source of open data released under the Creative Commons CC0 public domain dedication. It is for the use of both Wikimedia and external projects. Wikidata is a wiki powered by the software MediaWiki, including its extension for semi-structured data, the Wikibase. As of early 2025, Wikidata had 1.65 billion item statements (semantic triples).

social network of individuals who interact through specific social media

virtual community that exists online

self-hosted link aggregator software and decentralised server network within the Fediverse

freeCodeCamp (also referred to as Free Code Camp) is a non-profit educational organization that consists of an interactive learning web platform, an online community forum, chat rooms, online publications and local organizations that intend to make learning software development & computer programming accessible to anyone.

guitarist community website

Internet forum run by Baidu

knowledge market

Nextdoor Holdings, Inc. is an American company that operates a hyperlocal social networking service for neighborhoods. The company was founded in 2008 and is based in San Francisco, California. Nextdoor launched in the United States in October 2011. It is available in eleven countries as of May 2023. In 2024, the company claimed to have 88 million "neighbors" as members.

CodeProject (formerly Code Project and The Code Project) was a community for computer programmers with articles on different topics and programming languages such as web development, software development, C++, Java, and other topics. Once a visitor registered a user account on the site, they could gain "reputation" which unlocked various privileges such as the ability to store personal files in the user's account area, have live hyperlinks in their profile biography, and more. Members could also write and upload their own articles and code for other visitors to view.

Habr (since 2018; formerly Habrahabr) () is a Russian collaborative blog about IT, computer science and anything related to the Internet, owned by TechMedia. Habrahabr was founded in June 2006, and the English section of Habr was launched in 2019.

technology news and computer help website

RubyForge was a collaborative software development management system dedicated to projects related to the Ruby programming language. It was started in 2003 by Ruby Central in an effort to help the Ruby community by providing a home for open source Ruby projects.