Activitypub GitHub Repositories (2026) · Open Source Tools

Take control over your live stream video by running it yourself. Streaming + chat out of the box.

🌉 A bridge between decentralized social networks

The federated short video sharing platform.

🎉 Social can be used for work, or to connect to the fediverse!

Mbin: a federated content aggregator, voting, discussion and microblogging platform

Photo Sharing. For Everyone.

A clean, Markdown-based publishing platform made for writers. Write together and build a community.

🐀 A decentralised discussion platform for communities.

🌎 A completely free and open interplanetary-microblogging platform 🚀

ActivityPub server framework in TypeScript

The ActivityPub plugin connects your WordPress site to the Fediverse. Your site becomes a profile people can follow from Mastodon, and every post you publish is automatically delivered to your followers' feeds, where their likes, boosts and replies come back as comments on your site.

Brings together two game-changing technologies, ActivityPub and Solid Pods, and empowers developers to create truly decentralized applications

Mlem for Lemmy

The Social Web Toolkit

Reference implementation of a generic ActivityPub service using the GoActivityPub library (mirror repository)

ActivityPub vocabulary for Go

Sustainable federated social media built for open correspondence

Source to relay.fedi.buzz: relay the streaming API of Mastodon instances

A WebFinger plugin for WordPress

A federated, text-based social network with a Gemini frontend