* [Activity.next v1.38.0](https://github.com/llun/activities.next) – Next.js and TypeScript ActivityPub server for self-hosted Fediverse instances compatible with Mastodon and Pleroma. * [PeerTube v8.1.8](https://github.com/Chocobozzz/PeerTube) – Decentralized federated video platform enabling video hosting, streaming, and social interaction across multiple instances. * [Hollo 0.9.2](https://github.com/fedify-dev/hollo) – Federated single-user microblogging software implementing Mastodon-compatible APIs for ActivityPub federation. * [Fedify 2.2.3](https://github.com/fedify-dev/fedify) – TypeScript framework for building federated server applications using ActivityPub and related standards. * [Misskey 2026.5.2](https://github.com/misskey-dev/misskey) – Federated social media platform with open source and free usage. * [Bonfire Networks v1.0.3](https://github.com/bonfire-networks/bonfire-app) – Framework for building federated digital spaces that let communities gather, interact, and customize experiences. * [stegodon v1.8.5](https://github.com/deemkeen/stegodon) – SSH-first federated blogging platform with terminal TUI, ActivityPub federation, RSS feeds, and web interface.