Fedify

Key features

• ActivityPub server framework
• Handles federation protocol
• TypeScript and Deno support
• Powers fediverse apps

Strengths

• Released under the MIT license
• Active community (1k GitHub stars)
• Written in TypeScript
• Tiny footprint — runs in 256 MB RAM

Is Fedify secure?

No known vulnerabilities affect Fedify's latest release (2.4.4). OSV.dev lists 8 past advisories for the project; none of them applies to this release. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

• Most recent fixed advisory CVE-2026-62857, published 2026-08-06 (69 days ago), fixed in 1.9.13, 1.10.12, 2.0.22, 2.1.18, 2.2.7, 2.3.2

Source: OSV.dev, checked 2026-10-14. How this is measured.

Fedify replaces

Health badge

Maintain Fedify? Add its health score to your README. The badge links back to this page.

[![SelfHostIndex health score for Fedify](https://selfhostindex.com/badge/fedify.svg)](https://selfhostindex.com/app/fedify/)

<a href="https://selfhostindex.com/app/fedify/"><img src="https://selfhostindex.com/badge/fedify.svg" alt="SelfHostIndex health score for Fedify"></a>

.. image:: https://selfhostindex.com/badge/fedify.svg
   :alt: SelfHostIndex health score for Fedify
   :target: https://selfhostindex.com/app/fedify/