Best Message-Oriented Middleware

Compare the Top Message-Oriented Middleware as of April 2025

What is Message-Oriented Middleware?

Message-oriented middleware (MOM) is software that provides an interoperable interface between multiple applications. It enables applications to communicate with one another, regardless of their underlying technologies. Applications using MOM can send and receive messages across a variety of networks and transport protocols such as HTTP, TCP/IP, and SMTP. These messages can be either synchronous or asynchronous, allowing for real-time interactions or delayed messaging without the need for complex programming code. MOM also facilitates remote access through a centralized system making it easier to manage in distributed environments. Additionally, since it is independent of the application architecture, MOM offers increased flexibility when integrating different platforms together. Compare and read user reviews of the best Message-Oriented Middleware currently available using the table below. This list is updated regularly.

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    EMQX

    EMQX

    EMQ Technologies

    EMQX is the world's most scalable and reliable MQTT messaging platform designed by EMQ. It supports 100M concurrent IoT device connections per cluster while maintaining extremely high throughput and sub-millisecond latency. EMQX boasts more than 20,000 global users from over 50 countries, connecting more than 100M IoT devices worldwide, and is trusted by over 300 customers in mission-critical IoT scenarios, including well-known brands like HPE, VMware, Verifone, SAIC Volkswagen, and Ericsson. Our edge-to-cloud IoT connectivity solutions are flexible to meet the demands of various industries towards digital transformation, including connected vehicles, Industrial IoT, oil & gas, carrier, finance, smart energy, and smart cities.
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    Starting Price: $0.18 per hour
  • 2
    Open Automation Software

    Open Automation Software

    Open Automation Software

    Liberate your Industry 4.0 data with Open Automation Software IIoT platform for Windows and Linux. OAS is truly an unlimited IoT Gateway for Windows, Linux, Raspberry Pi 4, Windows IoT Core, and Docker deployments. Create HMI visualization for web, WPF, and WinForm C# and VB .NET applications. Log data and alarms to SQL Server, Oracle, MS Access, MySQL, Azure SQL, PostgreSQL, Cassandra, MongoDB, MariaDB, SQLite, InfluxDB, and CSV files. MQTT Broker and Client interface along with cloud connectivity to Azure IoT and AWS IoT Gateway. Read and write data from remote Excel Workbooks. Alarm notification to email, SMS text, and voice messaging. .NET and REST API programmatic access. Allen Bradley ControlLogix, CompactLogix, GuardLogix, Micro800, MicroLogix, SLC 500, and PLC-5. Siemens S7-200, S7-300, S7-400, S7-1200, and S7-1500. Modbus TCP, Modbus RTU, and Modbus ASCII for Master and Slave communications. OPTO-22, MTConnect, and OPC UA, OPC DA.
    Starting Price: $495 one-time payment
  • 3
    PubSub+ Platform
    Solace PubSub+ Platform helps enterprises design, deploy and manage event-driven systems across hybrid and multi-cloud and IoT environments so they can be more event-driven and operate in real-time. The PubSub+ Platform includes the powerful PubSub+ Event Brokers, event management capabilities with PubSub+ Event Portal, as well as monitoring and integration capabilities all available via a single cloud console. PubSub+ allows easy creation of an event mesh, an interconnected network of event brokers, allowing for seamless and dynamic data movement across highly distributed network environments. PubSub+ Event Brokers can be deployed as fully managed cloud services, self-managed software in private cloud or on-premises environments, or as turnkey hardware appliances for unparalleled performance and low TCO. PubSub+ Event Portal is a complimentary toolset for design and governance of event-driven systems including both Solace and Kafka-based event broker environments.
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    StreamNative

    StreamNative

    StreamNative

    StreamNative redefines streaming infrastructure by seamlessly integrating Kafka, MQ, and other protocols into a single, unified platform, providing unparalleled flexibility and efficiency for modern data processing needs. StreamNative offers a unified solution that adapts to the diverse requirements of streaming and messaging in a microservices-driven environment. By providing a comprehensive and intelligent approach to messaging and streaming, StreamNative empowers organizations to navigate the complexities and scalability of the modern data ecosystem with efficiency and agility. Apache Pulsar’s unique architecture decouples the message serving layer from the message storage layer to deliver a mature cloud-native data-streaming platform. Scalable and elastic to adapt to rapidly changing event traffic and business needs. Scale-up to millions of topics with architecture that decouples computing and storage.
    Starting Price: $1,000 per month
  • 5
    IBM MQ
    Massive amounts of data move as messages between applications, systems and services at any given time. If an application isn’t ready or if there’s a service interruption, messages and transactions can be lost or duplicated, costing businesses time and money to make things right. IBM has expertly refined IBM MQ over 25 years on the market. With MQ, if a message can’t be delivered immediately, it’s secured in a queue, where it waits until delivery is assured. Where competitors may deliver messages twice or not at all, MQ moves data, including file data, once — and once only. Never lose a message with MQ. IBM MQ is available as software to run in public or private clouds, in containers or on your mainframe. IBM also offers an IBM-managed cloud service (IBM MQ on Cloud) hosted on IBM Cloud or Amazon, and even as a purpose-built Appliance (IBM MQ Appliance) to simplify deployment and maintenance.
  • 6
    Huawei Simple Message Notification (SMN)
    Simple Message Notification (SMN) enables you to broadcast messages to email addresses, phone numbers, and HTTP/HTTPS servers and connect cloud services through notifications, reducing system complexity. Efficiently sends messages with three easy-to-use APIs for topic creation, subscription, and message publishing. Saves messages in multiple data centers to achieve high availability. If a message delivery fails, the failed message will be cached and delivered again. Enables you to deliver messages to subscribers using various protocols with only one messaging request. Isolates data by topic. Unauthorized users cannot access your message queues, ensuring service security. Use messages to connect other cloud services, achieving system decoupling and ensuring reliability. If one service becomes faulty, messages sent to other services will not be adversely affected. Connects cloud services and automatically invokes their functions through messages.
  • 7
    Astra Streaming
    Responsive applications keep users engaged and developers inspired. Rise to meet these ever-increasing expectations with the DataStax Astra Streaming service platform. DataStax Astra Streaming is a cloud-native messaging and event streaming platform powered by Apache Pulsar. Astra Streaming allows you to build streaming applications on top of an elastically scalable, multi-cloud messaging and event streaming platform. Astra Streaming is powered by Apache Pulsar, the next-generation event streaming platform which provides a unified solution for streaming, queuing, pub/sub, and stream processing. Astra Streaming is a natural complement to Astra DB. Using Astra Streaming, existing Astra DB users can easily build real-time data pipelines into and out of their Astra DB instances. With Astra Streaming, avoid vendor lock-in and deploy on any of the major public clouds (AWS, GCP, Azure) compatible with open-source Apache Pulsar.
  • 8
    meshIQ

    meshIQ

    meshIQ

    Middleware Observability & Management Software for Messaging, Event Processing, and Streaming Across Hybrid Cloud (MESH). - Complete observability and monitoring of Integration MESH with 360° Situational Awareness® - Securely manage, and automate configuration, administration, and deployment - Track, trace, and analyze transactions, messages and flows - Collect, monitor, and benchmark MESH performance meshIQ delivers granular access controls to manage configurations across the MESH to reduce downtime and quick recovery from outages. Provides the ability to find, browse, track, and trace messages to detect bottlenecks and speeding up root-cause analysis. Unlocks the integration blackbox to deliver visibility across the MESH infrastructure to visualize, analyze, report, and predict. Delivers the ability to trigger automated actions based on pre-defined criteria or intelligent actions determined by AI/ML.
  • 9
    Axon Server
    Axon Server is freely available to get started quickly and easily. Various other options are available for serious enterprise deployments to give you the assurance and functionality you need. The Enterprise functionality adds SLA-backed support, clustering, monitoring, and integration features to the free Axon Server – ensuring your application is ready for enterprise deployment. Expansion packs are available for security and compliance, global multi-data center deployments, and big-data applications. Microservices systems are often associated with complex configuration management. Setting up service discovery and message routing correctly is a time-consuming and error-prone task. Axon Server eliminates this complexity. Because it’s built for this purpose, it performs service discovery and message routing with zero configuration. It just works.
  • 10
    Ebix UMG
    Ebix's Universal Messaging Gateway (UMG) suite is one of the market's leading ACORD gateways and message management tools. The UMG is designed to be the single point of entry and exit for all messaging communications, your electronic front door. The UMG is fully compliant with the ACORD messaging services, XML specifications, and SOAP v1.1 and its flexibility allows for the receiving and sending of both ACORD XML messages and other non-ACORD business-driven data communications. The UMG is a template-driven, soft-coded solution that enables an organization to efficiently respond to differing future messaging standards and formats. The UMG's messaging interface web services API connectors can process messages from ACORD messages supporting multiple concurrent versions, spreadsheets, CSV files, and email feeds.
  • 11
    Red Hat Integration
    Red Hat® Integration is a comprehensive set of integration and messaging technologies to connect applications and data across hybrid infrastructures. It is an agile, distributed, containerized, and API-centric solution. It provides service composition and orchestration, application connectivity and data transformation, real-time message streaming, change data capture, and API management, all combined with a cloud-native platform and toolchain to support the full spectrum of modern application development. Deploy enterprise integration patterns (EIPs) based integrations using 200+ pluggable connectors to connect new and existing data across the hybrid cloud. Create, deploy, monitor, and control APIs throughout their entire lifecycle. With an API-first approach, extend your integrations across hybrid and multi-cloud environments. Develop and manage services in popular container standards, as well as package and deploy lightweight containers in distributed environments.
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    Apache Pulsar

    Apache Pulsar

    Apache Software Foundation

    Apache Pulsar is a cloud-native, distributed messaging and streaming platform originally created at Yahoo! and now a top-level Apache Software Foundation project. Easy to deploy, lightweight compute process, developer-friendly APIs, no need to run your own stream processing engine. Run in production at Yahoo! scale for over 5 years, with millions of messages per second across millions of topics. Built from the ground up as a multi-tenant system. Supports isolation, authentication, authorization and quotas. Configurable replication between data centers across multiple geographic regions. Persistent message storage based on Apache BookKeeper. IO-level isolation between write and read operations. Rest admin API for provisioning, administration, tools and monitoring.
  • 13
    D7 Networks

    D7 Networks

    Direct7 Networks

    Direct7 Networks is a leading messaging service provider that empowers organizations to communicate efficiently with their customers across multiple channels. With a user-friendly API and seamless integration capabilities, brands can easily connect and engage with their audience. The platform supports real-time alerts and notifications through SMS, WhatsApp Business API, and Viber API, ensuring messages are delivered through the most effective and relevant channels. Whether sending messages individually or in bulk, Direct7’s streamlined API supports both Unicode and standard messaging formats. It’s highly customizable, allowing businesses to tailor the messaging framework to suit their specific needs. The 2FA OTP service is fast, secure, and automated—enabling users to verify actions in under 20 seconds, ensuring protection against fraud.
  • 14
    Aurea Messenger
    Aurea Messenger helps your technology keep pace with your business through an industry-leading enterprise service bus (ESB) that lets you adapt quickly. With Aurea Messenger, you can integrate technologies without getting bogged down in time-consuming custom implementations or high-risk roll-outs. It’s a sophisticated messaging bus that facilitates swift and simple integration of mission-critical systems through Aurea developed or custom adapters. Solve the most challenging connectivity problems across SOA, REST, SaaS, and APIs. Aurea Messenger provides a unified, hybrid integration platform that creates a seamless network of apps, data, and devices. Enable reliable, flexible services for the exchange of critical business data, including connectivity, message transformation and routing, transaction mediation, and process orchestration. Aurea Messenger delivers more than doubled messaging capacity and 10x data capacity, plus real-time metrics to diagnose and resolve flow-control issues.
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