Amazon SQS Alternatives

Apache Kafka is an open-source message broker project developed by the Apache Software Foundation written in Scala.

RabbitMQ is an open source message broker software.

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IBM MQ is messaging middleware that simplifies and accelerates the integration of diverse applications and data across multiple platforms.

ZeroMQ is a high-performance asynchronous messaging library.

Apache ActiveMQ is an open source messaging and integration patterns server.

A realtime distributed messaging platform.

CloudAMQP automates every part of setup, running and scaling of RabbitMQ clusters. Available on all major cloud and application platforms.

Beanstalk is a simple, fast work queue.

Microsoft Azure Service Bus offers cloud messaging service between applications and services.

Gearman provides a generic application framework to farm out work to other machines or processes that are better suited to do the work.

NServiceBus is a service bus for .NET offering enterprise-grade scalability and reliability for your workflows and integrations.

Apache Kafka is publish-subscribe messaging rethought as a distributed commit log.

Resque is a Redis-backed Ruby library for creating background jobs, placing them on multiple queues, and processing them later.