Google Groups

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

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.

SlideShare

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

Yelp

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

Steam

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

Xing

A German career-oriented social networking platform focused on professional connections across industries mostly in the German-speaking market.

Steam Community

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

Meetup

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

Snapchat

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

Flipboard

A social news aggregator and content discovery platform.

Keybase

A key directory, secure messaging and file sharing platform.

Truth Social

An American social media platform owned by Trump Media & Technology Group and primarily oriented toward conservative audiences.

Pixelfed

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

Stack Overflow

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

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.

Link in Bio

A link tree tool that provides users with a mini web page to share links to their social profiles and other important resources.

Steemit

A blockchain-based blogging and social media website.

Strava

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

Micro.blog

A microblogging and social networking service.

Ravelry

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

ReverbNation

A social networking site for musicians.

Last.fm

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

Gitter

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

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.