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Promnesia

Browser extension that turns your history into a memory aid

Bookmarks & Read-It-Later ★ 1.9k stars Hard setup MIT

Promnesia is a browser extension and backend that helps you remember which pages you have visited and how. It connects your browsing history with bookmarks, notes, and other tools.

Official siteSource code

Key features

  • Annotates pages you have visited
  • Connects history with notes
  • Local data ownership

Strengths

  • Released under the MIT license
  • Active community (1.9k GitHub stars)
  • Written in Python
  • Tiny footprint — runs in 256 MB RAM

Is Promnesia secure?

OSV.dev has no published security advisories for Promnesia'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.

Promnesia replaces

Self-hosted Pocket alternativesSelf-hosted Raindrop.io alternatives

Health badge

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

SelfHostIndex: 82 · excellent

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[![SelfHostIndex health score for Promnesia](https://selfhostindex.com/badge/promnesia-na.svg)](https://selfhostindex.com/app/promnesia-na/)
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<a href="https://selfhostindex.com/app/promnesia-na/"><img src="https://selfhostindex.com/badge/promnesia-na.svg" alt="SelfHostIndex health score for Promnesia"></a>
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.. image:: https://selfhostindex.com/badge/promnesia-na.svg
   :alt: SelfHostIndex health score for Promnesia
   :target: https://selfhostindex.com/app/promnesia-na/

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

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