Stack Overflow

A question-and-answer platform for programmers.

VK

A Russian social media and social networking service that allows users to communicate, share content, and join online communities.

SlideShare

A social media platform where people share presentations and infographics.

Steam Community

A social networking site for gamers.

Keybase

A key directory, secure messaging and file sharing platform.

Flipboard

A social news aggregator and content discovery platform.

Substack

A social media platform for writers and journalists that supports subscription newsletters and monetization.

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.

Gitter

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

Letterboxd

A social media platform for film lovers.

Last.fm

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

Google Groups

A Google service that provides discussion groups for people sharing common interests.

Academia

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

QQ

A Chinese instant messaging software platform.

Yelp

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

Steemit

A blockchain-based blogging and social media website.

Pixelfed

A decentralized open-source social network service for photo sharing.

Goodreads

A book-based social media platform owned by Amazon.

ReverbNation

A social networking site for musicians.

Micro.blog

A microblogging and social networking service.

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.

Diaspora

A nonprofit, user-owned, distributed social network based on Diaspora open source software.

Ravelry

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

Stack Exchange

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

Hugging Face

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