RabbitMQ is a complete and highly reliable enterprise messaging system based on the emerging AMQP standard
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux

Qutrunk is described as 'Dedicated platform to send and receive messages within your applications. It has simple REST API and clean web UI. It allows to control access to your queues with managed access tokens' and is an website in the social & communications category. There are more than 10 alternatives to Qutrunk, not only websites but also apps for a variety of platforms, including Linux, Windows, Mac, Self-Hosted and SaaS apps. The best Qutrunk alternative is RabbitMQ, which is both free and Open Source. Other great sites and apps similar to Qutrunk are Apache Pulsar, Amazon Simple Queue Service, ØMQ and ActiveMQ.
RabbitMQ is a complete and highly reliable enterprise messaging system based on the emerging AMQP standard

Apache Pulsar is a distributed, open source pub-sub messaging and streaming platform for real-time workloads, managing hundreds of billions of events per day.
Amazon Simple Queue Service (SQS) is a fast, reliable, scalable & affordable message queuing service. Use SQS to transmit data without losing messages.

ØMQ is a high-performance asynchronous messaging library aimed at use in scalable distributed or concurrent applications. It provides a message queue, but unlike message-oriented middleware, a ØMQ system can run without a dedicated message broker.
Apache ActiveMQ is the most popular and powerful open source messaging and Integration Patterns provider.
nanomsg is a socket library that provides several common communication patterns. It aims to make the networking layer fast, scalable, and easy to use. Implemented in C, it works on a wide range of operating systems with no further dependencies.
Zeplo lets developers add retry, delay, queue and schedule to HTTP endpoints without setting up Redis, RabbitMQ or SQS. Just prefix any HTTP endpoint with zeplo.to/ and the request is queued.




Celery is an asynchronous task queue/job queue based on distributed message passing. It is focused on real-time operation, but supports scheduling as well.
Spooled is a high-performance, multi-tenant job queue system designed for reliability, observability, and horizontal scalability.

OpenSource multiplayer and network messaging.