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@deltachat

Delta Chat

Secure, cross-platform, decentralized super-app messenger
Delta Chat Delta Chat 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 1.9k 245

  2. deltachat-ios deltachat-ios Public

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

    Swift 461 83

  3. deltachat-desktop deltachat-desktop Public

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

    TypeScript 1.6k 256

Repositories

Showing 10 of 69 repositories
  • deltachat-pages Public

    Delta Chat Website

    deltachat/deltachat-pages's past year of commit activity
    JavaScript 12 GPL-3.0 16 0 1 Updated Nov 9, 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 1,866 GPL-3.0 245 12 5 Updated Nov 9, 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 461 83 52 15 Updated Nov 9, 2026
  • deltachat-desktop Public

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

    deltachat/deltachat-desktop's past year of commit activity
    TypeScript 1,643 GPL-3.0 256 36 27 Updated Nov 9, 2026
  • pyinfra-util Public

    A small pyinfra module to provide some useful reusable functions

    deltachat/pyinfra-util's past year of commit activity
    Python 0 0 0 0 Updated Nov 8, 2026
  • interface Public

    General and shared components and discussions relating to Delta Chat user interface

    deltachat/interface's past year of commit activity
    15 6 4 (1 issue needs help) 1 Updated Oct 31, 2026
  • maps Public
    deltachat/maps's past year of commit activity
    JavaScript 7 MPL-2.0 2 0 5 Updated Oct 25, 2026
  • pyinfra-borgbackup Public

    pyinfra deploy for borgbackup

    deltachat/pyinfra-borgbackup's past year of commit activity
    Python 7 0 0 0 Updated Oct 19, 2026
  • cosmos Public

    Links to various neighbourhoods in the Delta Chat universe

    deltachat/cosmos's past year of commit activity
    HTML 9 0 0 0 Updated Oct 15, 2026
  • .github Public

    Github configuration that is shared between repos.

    deltachat/.github's past year of commit activity
    1 0 0 1 Updated Oct 13, 2026