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@deltachat

Delta Chat

Secure, cross-platform, decentralized super-app messenger
README.md
DeltaChat DeltaChat Bots chatmail infrastructure webxdc: Private Apps cosmos

Decentralized private messenger with chat-shared tools and games

💬 Reliable instant messaging with multi-profile and multi-device support

⚡️ Sign up to secure fast chatmail servers or use classic e-mail servers

🥳 Interactive web apps in chats for gaming and collaboration

🔒 Audited end-to-end encryption safe against network and server attacks

👉 FOSS software, built on Internet Standards, avoiding xkcd927 :)

More

Note

deltachat-core-rust has a new home: chatmail/core

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  1. deltachat-android deltachat-android Public

    Decentralized private messenger with chat-shared tools and games for Android

    Java 1.6k 198

  2. deltachat-ios deltachat-ios Public

    Decentralized private messenger with chat-shared tools and games for iOS

    Swift 418 71

  3. deltachat-desktop deltachat-desktop Public

    Decentralized private messenger with chat-shared tools and games for Desktop

    TypeScript 1.4k 223

Repositories

Showing 10 of 68 repositories
  • deltachat-desktop Public

    Decentralized private messenger with chat-shared tools and games for Desktop

    deltachat/deltachat-desktop’s past year of commit activity
    TypeScript 1,357 GPL-3.0 223 98 (5 issues need help) 22 Updated Mar 16, 2026
  • deltachat-pages Public

    Delta Chat Website

    deltachat/deltachat-pages’s past year of commit activity
    JavaScript 11 GPL-3.0 7 3 4 Updated Mar 16, 2026
  • deltachat-android Public

    Decentralized private messenger with chat-shared tools and games for Android

    deltachat/deltachat-android’s past year of commit activity
    Java 1,556 GPL-3.0 198 17 (1 issue needs help) 5 Updated Mar 16, 2026
  • deltachat-ios Public

    Decentralized private messenger with chat-shared tools and games for iOS

    deltachat/deltachat-ios’s past year of commit activity
    Swift 418 71 43 6 Updated Mar 15, 2026
  • invite Public

    Invite links for deltachat

    deltachat/invite’s past year of commit activity
    TypeScript 11 AGPL-3.0 3 0 0 Updated Feb 24, 2026
  • calls-webapp Public

    P2P videocalls via WebRTC for integration into Delta Chat

    deltachat/calls-webapp’s past year of commit activity
    TypeScript 18 GPL-3.0 0 9 7 Updated Feb 17, 2026
  • pyinfra-acmetool Public

    pyinfra deploy for acmetool

    deltachat/pyinfra-acmetool’s past year of commit activity
    Python 2 0 1 0 Updated Feb 11, 2026
  • pyinfra-nginx Public

    pyinfra module to manage an nginx web server.

    deltachat/pyinfra-nginx’s past year of commit activity
    Python 2 0 0 0 Updated Jan 29, 2026
  • interface Public

    General and shared components and discussions relating to deltachat user interface

    deltachat/interface’s past year of commit activity
    12 4 10 (1 issue needs help) 1 Updated Jan 19, 2026
  • pyinfra-borgbackup Public

    pyinfra deploy for borgbackup

    deltachat/pyinfra-borgbackup’s past year of commit activity
    Python 6 0 0 0 Updated Jan 17, 2026
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