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Postmarks

Single-user bookmarking site that federates

Social Networks ★ 544 stars Easy setup MIT

Postmarks is a self-hosted bookmarking application for one person, inspired by del.icio.us, that publishes bookmarks to the fediverse over ActivityPub. Followers can see and comment on saved links.

Official siteSource code

Key features

  • Personal bookmarking
  • ActivityPub federation
  • Comments from the fediverse
  • Lightweight SQLite backend

Strengths

  • Released under the MIT license
  • Easy to set up — beginner-friendly
  • First-class Docker support for quick deployment
  • Written in JavaScript

Is Postmarks secure?

OSV.dev has no published security advisories for Postmarks's repository. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

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

Postmarks replaces

Self-hosted Pinboard alternativesSelf-hosted del.icio.us alternatives

Health badge

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

SelfHostIndex: 60 · good

Markdown
[![SelfHostIndex health score for Postmarks](https://selfhostindex.com/badge/postmarks.svg)](https://selfhostindex.com/app/postmarks/)
HTML
<a href="https://selfhostindex.com/app/postmarks/"><img src="https://selfhostindex.com/badge/postmarks.svg" alt="SelfHostIndex health score for Postmarks"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/postmarks.svg
   :alt: SelfHostIndex health score for Postmarks
   :target: https://selfhostindex.com/app/postmarks/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

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