* [Activity.next v1.149.0](https://github.com/llun/activities.next) – Next.js and TypeScript ActivityPub server for self-hosted Fediverse instances compatible with Mastodon and Pleroma.

* [PeerTube v8.2.4](https://github.com/Chocobozzz/PeerTube) – Decentralized federated video platform enabling video hosting, streaming, and social interaction across multiple instances.

* [Misskey 2026.7.0](https://github.com/misskey-dev/misskey) – Federated social media platform with open source and free usage.

* [Fedify 2.3.6](https://github.com/fedify-dev/fedify) – TypeScript framework for building federated server applications using ActivityPub and related standards.

* [Hollo 0.8.11](https://github.com/fedify-dev/hollo) – Federated single-user microblogging software implementing Mastodon-compatible APIs for ActivityPub federation.

* [Activity Relay Server v2.0.11](https://github.com/yukimochi/Activity-Relay) – Customizable ActivityPub relay server written in Go with an API, job worker, and CLI control for delivery handling.

* [Bonfire Networks v1.0.7-alpha.14](https://github.com/bonfire-networks/bonfire-app) – Framework for building federated digital spaces that let communities gather, interact, and customize experiences.