SHSelfHostIndex

omnom vs Promnesia

A side-by-side comparison of two self-hosted bookmarks & read-it-later options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
omnom Bookmarking with full-page snapshot archiving VS PR Promnesia Browser extension that turns your history into a memory aid
FeatureomnomPromnesia
Deploy effortUnder-an-hour setupRead-the-docs project
Health score70 · Good83 · Excellent
CategoryBookmarks & Read-It-LaterBookmarks & Read-It-Later
LicenseMITMIT
LanguageGoPython
Setup difficultyMediumHard
Min. RAM256 MB256 MB
Deploymentdocker, binarybinary, source
GitHub stars★ 665★ 1,900
First released20202019
ReplacesPocket, Raindrop.ioPocket, Raindrop.io

What are omnom and Promnesia?

omnom

omnom is a self-hosted bookmarking service that stores both the link and a full snapshot of the page at the time it was saved. This guarantees access to content even if the original page changes or disappears.

  • Full-page snapshots
  • Browser extension
  • Tagging and search
  • Multi-user support

Promnesia

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.

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

omnom vs Promnesia: key differences

Omnom is written in Go, while Promnesia is built with Python. Promnesia has the considerably larger community, at 1,900 GitHub stars versus 665. Omnom lists first-class Docker deployment; Promnesia does not.

Why pick each one

Choose omnom if…

  • Released under the MIT license
  • First-class Docker support for quick deployment
  • Written in Go
  • Tiny footprint — runs in 256 MB RAM

Watch out for

  • Snapshots use disk space
  • Smaller community
omnom details

Choose Promnesia if…

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

Frequently asked questions

Is omnom or Promnesia better?

Neither is universally better. Promnesia has the larger community, while omnom is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.

Are omnom and Promnesia free and open-source?

Yes. omnom is licensed under MIT and Promnesia under MIT. Both can be self-hosted at no software cost.

Can I run omnom and Promnesia with Docker?

omnom: yes. Promnesia: check the project docs for container support.

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