Productivity
Murmur
Last updated 2026-07-07 · benchmark measured 2026-08-09 — deterministic & reproducible
Local-first, end-to-end encrypted message vault backed by your own Google Sheet.
Is Murmur production-ready?
Legit.Show scores Murmur 91 out of 100 — the simple average of its 7 measured frames. Legit.Show ran its deterministic 7-Frame production-readiness benchmark on Murmur (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Privacy; its weakest is Security. Every frame it averages is published with its evidence on the Legit.Show listing.
The 7 Frames
- Performance — 97/100
- Accessibility — 92/100
- Security — 45/100
- Privacy — 100/100
- Reliability — 100/100
- Standards — 100/100
- Discoverability — 100/100
What we measured
- Security headers present: HSTS.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 108 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
Who it's for
Privacy-conscious users · Note-takers · Teams sharing sensitive information · Self-hosted app enthusiasts · Individuals avoiding corporate servers
Pricing
Free & open source (Apache 2.0 license)
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