Psono vs Spectre

A side-by-side comparison of two self-hosted password managers options — licensing, setup difficulty, resource needs, and what each one replaces.

Not the right match-up?
FeaturePsonoSpectre
Deploy effortUnder-an-hour setupRead-the-docs project
CategoryPassword ManagersPassword Managers
LicenseApache-2.0GPL-3.0
LanguagePythonC
Setup difficultyMediumMedium
Min. RAM512 MB64 MB
Deploymentdockerbinary, source
GitHub stars★ 700★ 200
First released20172012
Replaces1Password, LastPass1Password, LastPass

What are Psono and Spectre?

Psono

Psono is a self-hosted, open-source password manager focused on secure secret sharing for teams and enterprises. It targets organizations needing granular credential management. It is deployed via Docker.

  • Granular secret sharing
  • Client-side encryption
  • LDAP and SAML support
  • Browser extensions and apps

Spectre

Spectre, the successor to Master Password, is an open-source stateless password manager. It derives strong, unique passwords from your name and a master password rather than storing them in a vault.

  • Deterministic password derivation
  • No vault to store or sync
  • Cross-platform clients
  • Works fully offline

Psono vs Spectre: key differences

Psono is written in Python, while Spectre is built with C. Licensing differs — Apache-2.0 for Psono versus GPL-3.0 for Spectre. Spectre is the lighter option, starting around 64 MB of RAM against 512 MB for Psono. Spectre is the more established project (first released 2012), while Psono arrived in 2017. Psono has the considerably larger community, at 700 GitHub stars versus 200. Psono lists first-class Docker deployment; Spectre does not.

Why pick each one

Choose Psono if…

  • Strong sharing controls
  • Enterprise auth support
  • Open source

Watch out for

  • Smaller community
  • Setup takes effort
Psono details

Choose Spectre if…

  • Nothing to back up
  • Stateless by design

Watch out for

  • Niche project
  • Hard to change individual passwords
Spectre details

Frequently asked questions

Is Psono or Spectre better?

Neither is universally better. Psono has the larger community; both share a medium setup difficulty, so the decision comes down to features and licensing.

Are Psono and Spectre free and open-source?

Yes. Psono is licensed under Apache-2.0 and Spectre under GPL-3.0. Both can be self-hosted at no software cost.

Can I run Psono and Spectre with Docker?

Psono: yes. Spectre: check the project docs for container support.

Which is lighter on resources, Psono or Spectre?

Spectre has the smaller minimum footprint at 64 MB of RAM, compared to about 512 MB for Psono. Real-world usage depends on library size, user count, and enabled features.

Related comparisons