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Card 543 of 9752026-09-24 issue

Observed arrival · 2026-09-24

MNDO’s no-middleman messenger

mndo.online Visit website
Editorial interest 74/100 Selection signal · not a rating of the site

MNDO presents an open-source Android messaging beta that combines Nostr relays with Signal Protocol encryption and does not require a phone number or email.

Landing page captured for the 2026-09-24 issue.
For
Android users seeking phone-number-free messaging
Worth noticing
The published architecture names four layers and says UI components never hold keys.

Field notes

The page describes a Flutter Android app organized into UI, state, services, and data layers, with named components such as NostrRelayService and SignalMessagingService. It identifies Drift for the chat repository and flutter_secure_storage for identity storage, and links to architecture, security, and usage guides. The release is labeled v0.4.0-beta under AGPLv3; the supplied text does not establish independent security review or verify the cryptographic claims.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

○OpenPublic substance visible
✦PrettyNotable craft visible
◎NicheUnusually specific use

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Landing page observed 2026-09-24. The live site may have changed.