Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
Apache Pulsar - distributed pub-sub messaging system
Free implementation of Play Services
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
Apache Kafka® running on Kubernetes
signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.
Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.
Micro second messaging that stores everything to disk
Firebase Android SDK
Apache ActiveMQ
JeroMQ is a pure Java implementation of the ZeroMQ messaging library, offering high-performance asynchronous messaging for distributed or concurrent applications.
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
Transactional messaging for microservices
QuickFIX/J is a full featured messaging engine for the FIX protocol. - This is the official project repository.
Framework for building Event-Driven Microservices
Apache Artemis
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.
Countly Digital Analytics Android SDK
A socket server (include SSL) supports realtime application, realtime game, MMORPG, messaging, chat and streaming data with TCP, UDP and Websocket
Java client for NATS
LINE Messaging API SDK for Java
The CometD project, a scalable comet (server push) implementation for web messaging.
⚡️ Firebase plugins for Capacitor. Supports Android, iOS and the Web.
RocketMQ Clients - Collection of Client Bindings for Apache RocketMQ
Eclipse Hono™ Project
FCMFix ColorOS:修复国行 ColorOS 16 / 17 拦截 Google FCM 推送的 LSPosed 模块(Root + LSPosed)
Distributed microservices architecture with OpenTelemetry tracing, Kafka messaging, and auto/manual instrumentation, visualized in Uptrace.