Open-source, scalable, and fault-tolerant MQTT broker
Distributed messaging and streaming platform with low latency
In-memory message queue with an Amazon SQS-compatible interface
Redis client and message queue for Clojure
Distributed task queue (development branch)
Machinery is an asynchronous task queue/job queue
Message Queue and Batch processing for NodeJS and Python
The first messaging platform operating without user identifiers
Freedom is a hexagonal architecture-based framework
An asynchronous event driven PHP socket framework
Inferable is a developer-first AI automation platform
Peer-to-peer databases for the decentralized web
The iSphere Project for and RDi 9.5.1.3+
A cooperative scheduler OS for the 8051 and its derivatives.
Powerful Open Source Email Marketing app with analytics & segmentation
NOTICE OF CONSOLIDATION & PARTNERSHIP PENDING As of April 2026, the 20
A batteries-included web framework for Node.js
Application to manage delayed messages in Telegram
Simple message-based, web-based ETL integration
Comprehensive mailing tools for PHP
A lightweight framework to build chat applications, made in Swift
secure, reliable, fast MTA
Open Source Java Application Server Derived from GlassFish