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@deltachat

Delta Chat

Secure, cross-platform, decentralized super-app messenger
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 1.4k 182

  2. deltachat-ios deltachat-ios Public

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

    Swift 384 60

  3. deltachat-desktop deltachat-desktop Public

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

    TypeScript 1.2k 202

Repositories

Showing 10 of 67 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 1,178 GPL-3.0 202 102 (6 issues need help) 26 Updated Nov 2, 2025
  • deltachat-android Public

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

    deltachat/deltachat-android’s past year of commit activity
    Java 1,402 GPL-3.0 182 21 9 Updated Nov 1, 2025
  • deltachat-ios Public

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

    deltachat/deltachat-ios’s past year of commit activity
    Swift 384 60 27 4 Updated Nov 1, 2025
  • calls-webapp Public

    P2P videocalls via WebRTC for integration into Delta Chat

    deltachat/calls-webapp’s past year of commit activity
    TypeScript 11 GPL-3.0 0 8 3 Updated Oct 31, 2025
  • interface Public

    General and shared components and discussions relating to deltachat user interface

    deltachat/interface’s past year of commit activity
    12 4 11 (1 issue needs help) 2 Updated Oct 29, 2025
  • pyinfra-borgbackup Public

    pyinfra deploy for borgbackup

    deltachat/pyinfra-borgbackup’s past year of commit activity
    Python 4 0 0 0 Updated Oct 20, 2025
  • deltachat/self_reporting_bot’s past year of commit activity
    Python 2 MPL-2.0 1 0 0 Updated Oct 10, 2025
  • message-parser Public

    Parsing of Links, Email adresses, simple text formatting (markdown subset), user mentions, hashtags and more in DeltaChat messages.

    deltachat/message-parser’s past year of commit activity
    Rust 21 7 16 3 Updated Oct 7, 2025
  • mailadm Public

    mail account administration tool for temporary and other account creation/modification

    deltachat/mailadm’s past year of commit activity
    Python 16 MPL-2.0 2 16 3 Updated Sep 15, 2025
  • 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 Sep 6, 2025