messaging

Macro is a unified workspace for teams: email, chat, docs, tasks, agents, calls, and CRM — @-linked together with shared AI memory.

Android library. Flexible components for chat UI implementation with flexible possibilities for styling, customizing and data management. Made by Stfalcon

Apache Heron (Incubating) is a realtime, distributed, fault-tolerant stream processing engine from Twitter

A 100% native C# implementation of ZeroMQ for .NET

zenoh unifies data in motion, data in-use, data at rest and computations. It carefully blends traditional pub/sub with geo-distributed storages, queries and computations, while retaining a level of time and space efficiency that is well beyond any of the mainstream stacks.

An easy to use .NET API for RabbitMQ

Keep passwords and other sensitive information out of your chat logs and inboxes.

:bus: Simple and lean service bus implementation for .NET

An ultra-lightweight and blazing-fast Messaging Bus/MQTT Broker for Edge & SDV

The gold standard for async .NET microservices on Azure, AWS and on-prem

Timy - open source mobile app for groups to communicate and organize themselves. Built with flutter.

Pluggable foundation blocks for building distributed apps.

:speech_balloon: Android Chat SDK ➜ Stream Chat API. UI component libraries for chat apps. Kotlin & Jetpack Compose messaging SDK for Android chat

🚀Apache RocketMQ build in Rust🦀. Faster, safer, and with lower memory usage. ⭐ Star to support our work❤️!

Telegram MCP server powered by Telethon to let MCP clients read chats, manage groups, and send/modify messages, media, contacts, and settings.

Bunny is a popular, easy to use, mature Ruby client for RabbitMQ

Flutter Chat SDK - Build your own chat app experience using Dart, Flutter and the Stream Chat Messaging API.

Agent communication SDK. The open-source agent communication layer for AI agents — email, WhatsApp, Slack, Discord, Telegram, SMS. Python & TypeScript.

SDK monorepo for Ethora chat / messaging platform. (1) Pick an SDK for your frontend stack. (2) Integrate manually or using ethora-setup. (3) Optionally configure app settings, deploy AI agents etc. Server: ethora.com cloud [free]. Dedicated server + SLA option for enterprise customers.

Voice & Video Calling and Text Chat App for Flutter