Snapchat

A messaging and social networking app that lets users send photos and videos ("Snaps") that disappear after being viewed by default.

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.

Bluesky

A social network designed to operate without control by a single company, built as a reference implementation of the AT Protocol for distributed social networks.

Google Groups

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

Scribd

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

Plurk

A micro-blogging and social networking service.

Letterboxd

A social media platform for film lovers.

Substack

An online publishing and social platform that enables writers and journalists to create subscription-based newsletters, podcasts, and multimedia content delivered directly to subscribers.

Flipboard

A social news aggregator and content discovery platform.

Meetup

A social media platform for organizing in-person activities and meeting people in your local area.

ReverbNation

A social networking site for musicians.

Goodreads

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

Product Hunt

A platform for discovering and sharing new technology products, including apps, tools, and services.

Wattpad

A social platform for people who love to read and write.

Steam

A digital distribution platform and online storefront developed by Valve Corporation for purchasing and downloading video games and software.

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.

Beehiiv

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

Pixiv

A Japanese online art community where artists share and discover illustrations, manga, novels, and animation-inspired artwork, with a strong focus on anime, game, and fan art culture.

Keybase

A key directory, secure messaging and file sharing platform.

Hugging Face

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

Steam Community

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

Naver Blog

A free blogging platform from the Korean company Naver.

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

OK.ru

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