Mastodon is a social media platform for online communities and is used by individuals and organizations.

Mastodon.world is a generic Mastodon social media server providing an open-source, decentralized alternative to traditional social networking platforms for general use.

Framapiaf is a free, decentralized, and federated microblogging service powered by Mastodon, offering a Twitter-like experience without ads or tracking.

Ruby.social is a specialized Mastodon server and community exclusively for enthusiasts and developers of the Ruby programming language, offering a focused social platform.

Pleroma is a lightweight, free, and open-source social networking software compatible with the Fediverse, ideal for users seeking decentralized communication.

social.lol is a social hangout for the omg.lol community using Mastodon.

Sharkey is an ActivityPub social network, a feature-rich fork of Misskey, focused on enhanced performance and community-driven UX improvements.

hci.social is a decentralized social platform (Mastodon instance) dedicated to the Human-Computer Interaction (HCI) community, hosted by Princeton HCI.

Andrew Wood's website featuring free software projects like Pipe Viewer, commercial portfolio, and personal writings via Patreon and Mastodon.

Scholar Social is a microblogging platform designed for researchers, academics, and students to engage respectfully within the scholarly community.

HCommons.social is a microblogging network built on Mastodon, specifically designed to support scholars and practitioners across the humanities globally.

sciences.social is a non-profit, ad-free social media platform built on Mastodon for social scientists to connect across the fediverse.

weirder.earth is a Mastodon-based social network instance focused on decentralized, ad-free, and ethical social media.

Jortage is a pay-what-you-can communal object storage service using deduplication for fediverse instances to save on hosting costs.

Icosahedron.website is a Mastodon instance and community server operating on the ActivityPub network, providing a decentralized social media experience.

Queer Party is a silly Mastodon social media instance focused on building a friendly community for queer and non-queer individuals.

Friend Camp is a web application interface for Mastodon, offering a decentralized social network experience without ads or corporate surveillance.

Share your content across multiple social networks and other platforms effortlessly. Post at once or schedule posting to X (Twitter), Bluesky, Mastodon, and more - all from one place. Save time and reach more audiences with our powerful cross-posting platform.

Android Dev Social is the best social network for Android developers and is used by tech enthusiasts and open-source contributors.

Mastodon.ml is the best social network for Russian speakers and is used by those seeking an ad-free and private online community.