Delta Chat is a reliable decentralized instant messenger that is easy and fun to use for friends, family, groups and organizations

Delta Chat is developed by a dedicated FOSS contributor community that jointly releases refinements and new features several times a year, across many stores and platforms world-wide.

Features at a glance:

Private

Instant on-boarding without a phone number or other private data.

Friends & Family: Only chat with people you know

Unknown users cannot message or follow you without mutual consent.

Flexible

Supports multiple chat profiles and is easy to setup on multiple devices.

Reliable

Works under bad and adversarial network conditions.

Secure

Audited End-to-End encryption safe against network and server attacks.

Sovereign

Can be run with your own e-mail address or server.

FOSS

Fully Open Source/Free Software, built on Internet Standards.