Meetup

A social media platform for organizing in-person and virtual events and connecting people who share interests, hobbies, or professions.

SlideShare

A content-sharing platform for publishing and discovering presentations, infographics, documents, and professional knowledge resources online.

ResearchGate

A social networking platform for scientists and researchers that enables them to share publications, collaborate with peers, and engage in academic discussions online.

Stack Overflow

A question-and-answer platform for programmers where users can ask, answer, and vote on technical questions related to software development.

Academia

A social networking platform for academics that enables users to share research papers, build professional profiles, and connect with other researchers worldwide.

Goodreads

A book-based social networking platform owned by Amazon that helps readers discover, organize, and discuss books.

Steam Community

A social networking service integrated with Steam that allows players to connect, communicate, and share gaming-related content.

Beehiiv

A newsletter platform that allows creators and brands to publish, distribute, and monetize email publications with integrated website hosting and audience management tools.

Viber

A free, cross-platform instant messaging and calling application owned by Rakuten.

QQ

A Chinese instant messaging software platform.

Hugging Face

A machine learning and data science platform and community that helps users build, deploy and train machine learning models.

OK.ru

A Russian social networking service with more than 300 million registered users.

Google Groups

A web-based mailing list and discussion forum platform that enables users to communicate through shared email addresses and web-based discussions.

Strava

A fitness tracking app and community-moderated social network for athletes.

Letterboxd

A social cataloging service and film discovery platform that enables users to log, rate, and review films, maintain a personal film diary, create watchlists, and follow other members.

Quora

A question-and-answer platform where users ask, answer, edit, and organize discussions across a wide range of topics through community-driven knowledge sharing.

A Chinese microblogging and social networking platform focused on short-form posting, media sharing, livestreaming, and public discussions.

Zen

A Russian blogging and media publishing platform originally created by Yandex and later acquired by VK.

Last.fm

A music streaming and discovery platform with Internet radio and a community for music discussion.

Yelp

An American crowd-sourced review platform where users publish ratings and written feedback about local businesses.

Naver Blog

A free blogging platform operated by the South Korean company Naver.

Line

A Japanese instant messaging and social networking app often described as a super-app because it integrates services such as a digital wallet, news feed, digital comics, media streaming, and shopping.

Pixelfed

A decentralized social network service for photo sharing powered by Pixelfed open-source software.

Stack Exchange

A multi-topic question-and-answer platform for questions about math, games, languages, cooking, biology, and more.

Scribd

A digital document library and reading subscription service that provides access to millions of e-books, audiobooks, magazines, and user-uploaded documents.