SlideShare

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

WeChat

A Chinese instant messaging, social media, and mobile payment app that has evolved into a super-app combining communication, commerce, and everyday services.

Steam Community

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

Stack Overflow

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

Yelp

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

Meetup

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

Google Groups

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

Ravelry

A community website for knitters, crocheters, and fiber artists.

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.

Academia

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

Strava

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

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

Kununu

An online employer review and workplace transparency platform focused on German-speaking countries, where current and former employees rate companies and share job-related experiences.

Keybase

A key directory, secure messaging and file sharing platform.

Flipboard

A social news aggregator and content discovery platform.

Beehiiv

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

Last.fm

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

Goodreads

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

Lemmy

A decentralized social link aggregator platform running on independent servers and powered by the open-source Lemmy software.

Kaggle

A platform for data science and machine learning that offers a variety of resources, including datasets, code repositories, and tools for building and deploying machine learning models.

Pixelfed

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

Gitter

An open-source chat and networking platform for software developers based on the Matrix protocol.

Micro.blog

A microblogging and social networking service.

ReverbNation

A social networking site for musicians.

Hugging Face

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