messaging

Javascript and Typescript Stomp client for Web browsers and node.js apps

Voice & Video Calling and Text Chat App for React Native

Fast and reliable message broker built on top of Kafka.

PingMe - A unified CLI and web service for sending notifications across multiple messaging platforms

Iris is a highly configurable and flexible service for paging and messaging.

⬆ Dead simple, dependency-less, spec-compliant server-sent events implementation written in TypeScript

A smart set of common classes and implementations to improve your development productivity.

Messenger Clone - Real-time iOS Chat with Firebase Firestore written in Swift

Use Matrix as a backend for local-first applications with the Matrix-CRDT Yjs provider.

simple but convenient CLI-based Matrix client app for sending and receiving

Apache Pulsar Go Client Library

Voice & Video Calling and Text Chat App Android

💬 Messaging in Web Extensions made easy. Batteries included.

Countly Digital Analytics Android SDK

Java client for NATS

WatsonTcp is the easiest way to build TCP-based clients and servers in C#.

Lightweight message bus interface for .NET (pub/sub and request-response) with transport plugins for popular message brokers.

The official C# Client for NATS

A realtime distributed messaging platform (forked from https://github.com/nsqio/nsq)

JSON-RPC 2.0 implementation over WebSockets for Node.js and JavaScript/TypeScript

Relational messaging database schema for one-to-one and group chat apps with attachments and MySQL Workbench model.

Hyperledger FireFly is the first open source Supernode: a complete stack for enterprises to build and scale secure Web3 applications. The FireFly API for digital assets, data flows, and blockchain transactions makes it radically faster to build production-ready apps on popular chains and protocols.

☁️ Azure Service Bus service issue tracking and samples

Ready-to-use Chat UI Components for iOS

Practical microservices based on different software architecture and technologies like Golang, CQRS, Vertical Slice Architecture, Docker, RabbitMQ, OpenTelemetry and Postgresql.

A curated list of awesome system integration software and resources.

💬 Nio is an upcoming matrix client for iOS.

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.

Self-hosted private chat: no cloud, no telemetry, no Big Tech. Discord alternative that runs on your own machine.

Apache Pulsar Manager