* [Masto.js v7.11.0](https://github.com/neet/masto.js) – Universal Mastodon API client compatible with Node.js, browsers, and Deno, written in TypeScript.

* [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.