High-Performance server for NATS.io, the cloud and edge native messaging system.

Apache Pulsar - distributed pub-sub messaging system

Golang client for NATS, the cloud native messaging system.

A lightweight, memory-protected, message-passing kernel for deeply embedded systems.

A modern high-performance open source message queuing system

simple, distributed message queue system (inactive)

Private messaging system that hides metadata

A swiss army knife CLI tool for interacting with Kafka, RabbitMQ and other messaging systems.

A very simple Ticket System based on WhatsApp messages, that allow multi-users in same WhatsApp account.

Custom Event/Messaging system for JavaScript inspired by AS3-Signals

An iOS manager for presenting system-wide notifications via a dropdown message bar.

JS version of Pact. Pact is a contract testing framework for HTTP APIs and non-HTTP asynchronous messaging systems.

Talk is a real-time users messaging and chatting system for Laravel.

Message queue system written in Go and backed by Redis

Node.js client for NATS, the cloud native messaging system.

Customize Claude Code's system prompts, create custom toolsets, input pattern highlighters, themes/thinking verbs/spinners, customize input box & user message styling, support AGENTS.md, unlock private/unreleased features, and much more. Supports both native/npm installs on all platforms.

💨 A real time messaging system to build a scalable in-app notifications, multiplayer games, chat apps in web and mobile apps.

Rust client for NATS, the cloud native messaging system.

Distributed, scalable, durable, and highly available message queue system. This project is deprecated and not maintained.

A high available,high performance distributed messaging system.

Tinfoil Chat - Onion-routed, endpoint secure messaging system

Golang version of Pact. Pact is a contract testing framework for HTTP APIs and non-HTTP asynchronous messaging systems.

Ruby client for NATS, the cloud native messaging system.

A system for processing messages from RabbitMQ.

Meshblu is a cross-protocol IoT machine-to-machine messaging system.

Speech to Text to Speech. Song now playing. Sends text as OSC messages to VRChat to display on avatar. (STTTS) (Speech to TTS) (VRC STT System) (VTuber TTS)

Apache BifroMQ (Incubating) is a high-performance, distributed MQTT broker that natively supports multi-tenancy. It is designed to enable the building of large-scale IoT device connectivity and messaging systems.

a fast and simple distributed publish-subscribe messaging system (mq)

A robust message queue system for Rust applications, designed as a Rust alternative to Celery.

AI Agent Orchestrator with Skills System - Give AI Agents superpowers: memory search, code graph queries, agent-to-agent messaging. Manage Claude, Codex or any AI Agent from one dashboard. Move Agents between computers and locations