CSDN ( China Software Developer Network or Chinese Software Developer Network , China Software Development Network), Chinese IT knowledge services groups have IT information dissemination, exchange of technology, education and training and professional and technical personnel services. It has an online community, learning platform and communication platform. The founder of the technical journal "Programmer".
Wikia, also known as Fandom (stylized as FANDOM, fully FANDOM powered by Wikia) and formerly known as Wikicities, is a wiki hosting service. The site is free of charge, for-profit, deriving its income from advertising and sold content, publishing most user-provided text under copyleft licenses.
Naver is a South Korean online platform operated by Naver Corporation. It debuted in 1999 as the first web portal in Korea to develop and use its own search engine. It was also the world's first operator to introduce the comprehensive search feature, which compiles search results from various categories and presents them in a single page. Naver has since added a multitude of new services ranging from basic features such as e-mail and news to the world's first online Q&A platform Knowledge iN.
IMDb, an abbreviation of Internet Movie Database, is an online database of information related to world films, television programs, home videos and video games, and internet streams, including cast, production crew and personnel biographies, plot summaries, trivia, and fan reviews and ratings. Originally a fan-operated website, the database is owned and operated by IMDb.com, Inc., a subsidiary of Amazon.
Tumblr is a microblogging and social networking website founded by David Karp in 2007, and owned by Oath Inc. The service allows users to post multimedia and other content to a short-form blog. Users can follow other users' blogs. Bloggers can also make their blogs private. For bloggers many of the website's features are accessed from a "dashboard" interface.