chatmail

Velta is a Delta Chat client built with JavaScript, HTML, CSS, and web components inside a Tauri shell. V for Velta.

Chatmail Rust Core library, used by Android/iOS/desktop chatmail apps, bindings and bots 📧

madmail is a lightweight, single-binary, PGP-only, and resilient mail server designed for instant messaging using DeltaChat.

Test Delta Chat calls between chatmail relays: signaling, TURN, WebRTC audio echo, RTT/loss/jitter

🐳 Build a secure and transparent environment for Android development with SwapLab Desktop's core engine using our public Dockerfile.

experimental ai-coded patches to run chatmail core and Delta Chat Desktop Client standalone in the Browser (with local TCP proxy)

chatmail service deployment scripts and docs

Small, dependency-free admin scripts for chatmail relays: count accounts and live IMAP load, and send the numbers to ntfy or Uptime Kuma.

Async IMAP implementation in Rust

List of public chatmail bots

An ergonomic JSON-RPC server library in Rust with autocreated TypeScript client and OpenRPC specification

RISEPulse is a high-performance SMTP/IMAP benchmarking suite. It is designed to stress-test Deltachat relays, mail servers, and network queues under extreme, concurrent workloads.

Notify devices

Database of Email Providers and how well they work with chatmail

Chatmail bindings for Golang

Delta Chat bot for community catalog — find groups, channels, bots and Telegram mirrors

Lightweight self-hosted admin/control-plane panel for a chatmail server stack

Mastodon ↔️ Chatmail bridge

Docker images + Compose for all the chatmail components tied together

Native TLS for futures and async-std