Sites like iftas.org

Fedilab, a free open-source multi-account client for Mastodon, Pleroma, Friendica, Pixelfed and PeerTube, with documentation and related projects

A New Social is a nonprofit organization working to free social networks from platforms across the open social web, led by Anuj Ahooja

Open source Fediverse apps, privacy tools and project pages by developer Thomas (tom79), including Fedilab and Holos

A community site for developers building on the AT Protocol, run from the blento project's home page, with imprint and privacy pages

Folk Computer, a research project and programming environment for building live computing systems, with documentation, newsletters and system setup guides

Tusky is a project page and FAQ for Tusky, a lightweight Android client for the Mastodon social network

Bonfire, a free open source software project for building community networks, with magazine communities such as Jacobin's, by its developers

Libera Site is a Hubzilla-based social network site with its own help documentation on profiles, channels, groups and privacy

A TypeScript framework and documentation for building ActivityPub federated server apps, by maintainers Hong Minhee, Jiwon Kwon, and ChanHaeng Lee

Blacksky, a project by Blacksky Algorithms building decentralized community tools for self-governing online communities, with shared resources and democratic decision-making

Bridgy, a web service that copies social media reactions back onto your own website and cross-posts your site's posts to social networks

Loops, a federated open-source short-video sharing platform and app for creators and communities on the social web

Christine Lemmer-Webber's personal blog on free software, decentralized social web, and technology, with posts dating back to 2009

A social network for tracking reading, discussing books and writing reviews, built on federated ActivityPub servers

The AT Protocol documentation site: specifications, SDKs and guides for building open social web applications, maintained by Bluesky

A social network instance on Friendica run as a political project, with a support forum, in Italian

Dan Luu's personal blog of essays on software engineering, hiring, AI evaluation, and programming practice

Open source self-hosted live streaming server software called Owncast, with built-in chat, notifications and fediverse support

Tedium, an offbeat digital newsletter on obscure internet history and oddities by Ernie Smith

Lemmy is a free, open-source, decentralised discussion platform with threaded comments, run by its communities and self-hosted servers

A personal homepage by a.void.dog, featuring generative art, music picks and small projects, with a goth and science bent

The Co-op Cloud is a software stack and blog for hosting libre applications, run by tech co-operatives

A web service that mirrors public Twitter accounts into the fediverse via ActivityPub, made by Vincent Cloutier