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:

⚡️ Anonymous. Instant on-boarding without a phone number, e-mail or other private data.

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

🎮 Extensible. Add tools like shopping lists, calendars or gaming apps to any chat.

⭐ 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.