​​Emitter (★ 821 on GitHub) is a real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web. At its core, emitter.io is a distributed, scalable and fault-tolerant publish-subscribe messaging platform based on MQTT protocol and featuring message storage.

Emitter can be used for online gaming and mobile apps by satisfying the requirements for low latency, binary messaging and high throughput. It can also be used for the real-time web application such as dashboards or visual analytics or chat systems. Moreover, Emitter is perfect for the internet of things and allows sensors to be controlled and data gathered and analyzed.

#MQTT #broker #go

​​NSQ - (★18.7k on GitHub) is a realtime distributed messaging platform designed to operate at scale, handling billions of messages per day.

It promotes distributed and decentralized topologies without single points of failure, enabling fault tolerance and high availability coupled with a reliable message delivery guarantee.

Operationally, NSQ is easy to configure and deploy (all parameters are specified on the command line and compiled binaries have no runtime dependencies). For maximum flexibility, it is agnostic to data format (messages can be JSON, MsgPack, Protocol Buffers, or anything else).

#messaging #queue #broker

​​RedPanda - (★ 4,4 on GitHub) is a streaming data platform for developers. Kafka API compatible. 10x faster. No ZooKeeper. No JVM!

#streaming #messaging #broker #kafka #pubsub