There are 79 repositories under messaging topic.
High-Performance server for NATS.io, the cloud and edge native messaging system.
IM Chat
Open source RabbitMQ: core server and tier 1 (built-in) plugins
An elegant messages UI library for iOS
Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably. Set up once and forever.
即时通讯(IM)系统
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
Distributed Application Framework for .NET
Robust, Ubiquitous and Massively Scalable Messaging Platform (XMPP, MQTT, SIP Server)
A community-driven replacement for JSQMessagesViewController
SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!
Kafka implemented in Golang with built-in coordination (No ZK dep, single binary install, Cloud Native)
Open source alternative communication platform.
Apache Kafka® running on Kubernetes
The most beautiful SMS messenger for Android
The most widely used PHP client for RabbitMQ
Orchestrate end-to-end encryption, cryptographic identities, mutual authentication, and authorization policies between distributed applications – at massive scale.
Anonymous peer-to-peer instant messaging
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
ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.
signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.