List of the Top 22 Message Queue Software for Windows in 2025

EMQX is an exceptionally scalable and dependable MQTT messaging platform crafted by EMQ, capable of handling a staggering 100 million simultaneous IoT device connections per cluster, all while ensuring incredibly high throughput and latencies measured in sub-milliseconds. With over 20,000 users globally across more than 50 nations, EMQX successfully connects in excess of 100 million IoT devices and has earned the trust of over 300 clients in essential IoT applications, featuring prominent names such as HPE, VMware, Verifone, SAIC Volkswagen, and Ericsson. Our versatile edge-to-cloud IoT data solutions cater to the diverse needs of various sectors undergoing digital transformation, including connected vehicles, industrial IoT, oil and gas, telecommunications, finance, smart energy, and smart cities. EMQX Enterprise stands out as the leading scalable MQTT messaging platform, offering 100 million concurrent MQTT connections, a message throughput of 1 million messages per second with under 1 millisecond latency, and business-critical reliability with an SLA of up to 99.99%. Additionally, it enables seamless integration of IoT data with more than 40 cloud services and enterprise systems. Meanwhile, EMQX Cloud serves as a fully managed MQTT service for IoT, allowing users to scale according to their needs and pay based on usage, alongside offering extensive IoT data integration options with over 40 choices. With operational capabilities across 19 regions on AWS, GCP, and Microsoft Azure, EMQX Cloud ensures 100% MQTT compliance for its users. The combination of these features positions EMQX as an unrivaled solution in the realm of IoT messaging platforms.

The Open Automation Software IIoT platform supports both Windows and Linux, enabling users to harness their Industry 4.0 data efficiently. OAS serves as an unrestricted IoT Gateway compatible with various systems, including Windows, Linux, Raspberry Pi 4, and Windows IoT Core, and it facilitates the deployment of Docker containers. It offers HMI visualizations for web applications, as well as WPF and WinForm C# or VB.NET applications. Data logging capabilities extend to SQL Server, MS Access, Oracle, MySQL, Azure SQL, PostgreSQL, and Cassandra for alarms and logs. The platform includes both MQTT Broker and Client interfaces, providing seamless cloud connectivity to Azure IoT Gateway and AWS IoT Gateway. Users can leverage remote Excel Workbooks for data reading and writing, while alarm notifications can be sent through voice alerts, SMS, and email. Access to programmatic data is available via REST API and .NET, ensuring flexibility in integration. The system is compatible with a range of Allen Bradley PLCs, including ControlLogix, CompactLogix, GuardLogix, Micro800, MicroLogix, SLC 500, and PLC-5. Additionally, it supports Siemens PLCs such as S7-220, S7-3300, S7-405, S7-490, S7-1200, and S7-1500. Communication protocols include Modbus TCP, RTU, and ASCII for both Master and Slave configurations. Furthermore, the platform is compatible with OPTO-22, MTConnect, OPC UA, and OPC DA, enhancing its interoperability within various industrial environments. This extensive functionality makes the OAS platform an invaluable tool for modern industrial automation and data management.

RabbitMQ serves as a nimble messaging solution that can be easily implemented in both on-premises setups and cloud-based environments. Its support for multiple messaging protocols renders it a flexible choice for a variety of applications. Additionally, RabbitMQ can be set up in distributed and federated configurations to meet the needs for high scalability and robust availability. With a large community of users, it is recognized as one of the top open-source message brokers currently available. Companies ranging from T-Mobile to Runtastic utilize RabbitMQ, demonstrating its suitability for both burgeoning startups and established enterprises alike. Moreover, it is designed to work seamlessly across a multitude of operating systems and cloud platforms, providing a rich array of development tools tailored for popular programming languages. Users can take advantage of deployment options including Kubernetes, BOSH, Chef, Docker, and Puppet, which enables smooth integration into their current environments. Developers also have the ability to craft cross-language messaging solutions using a selection of programming languages such as Java, .NET, PHP, Python, JavaScript, Ruby, and Go, thereby broadening its applicability across diverse projects. Ultimately, RabbitMQ’s versatility and compatibility make it an essential tool for modern software development.

Apache Kafka® is a powerful, open-source solution tailored for distributed streaming applications. It supports the expansion of production clusters to include up to a thousand brokers, enabling the management of trillions of messages each day and overseeing petabytes of data spread over hundreds of thousands of partitions. The architecture offers the capability to effortlessly scale storage and processing resources according to demand. Clusters can be extended across multiple availability zones or interconnected across various geographical locations, ensuring resilience and flexibility. Users can manipulate streams of events through diverse operations such as joins, aggregations, filters, and transformations, all while benefiting from event-time and exactly-once processing assurances. Kafka also includes a Connect interface that facilitates seamless integration with a wide array of event sources and sinks, including but not limited to Postgres, JMS, Elasticsearch, and AWS S3. Furthermore, it allows for the reading, writing, and processing of event streams using numerous programming languages, catering to a broad spectrum of development requirements. This adaptability, combined with its scalability, solidifies Kafka's position as a premier choice for organizations aiming to leverage real-time data streams efficiently. With its extensive ecosystem and community support, Kafka continues to evolve, addressing the needs of modern data-driven enterprises.

Ably stands out as the leading platform for realtime experiences. With more WebSocket connections than any competing pub/sub service, we facilitate connections for over a billion devices each month. Companies rely on us for their essential applications, including chat, notifications, and broadcasts, ensuring that these services run reliably, securely, and at an impressive scale. Our commitment to excellence makes us the preferred choice for businesses seeking to enhance their realtime capabilities.

The Pro Edition of Eclipse Mosquitto serves as an advanced version of the leading MQTT broker, ensuring swift, stable, and dependable data transmission among IoT devices. Unlike its widely-used open-source counterpart, Pro Mosquitto enhances the user experience through features such as professional administration and monitoring for both MQTT brokers and clients, MQTT High Availability, access to MQTT and REST APIs, and improved security and support, making it exceptionally suited for commercial applications. One of the key advantages is its performance, which allows for minimal resource consumption while effortlessly managing up to a million simultaneous connections. Written in C, Pro Mosquitto's lightweight architecture ensures superior efficiency compared to its rivals, and it is capable of functioning on low-spec embedded devices, such as single-core 600MHz ARM processors with just 128MB of RAM. This reliability is further reinforced by its widespread acceptance within the global developer community, boasting over 500 million Docker pulls and a service level agreement (SLA) of up to 99.99%, which underscores its commitment to business continuity. Additionally, our dedicated professional services team is available to assist with any challenges, guaranteeing the successful deployment and maintenance of your projects while also offering tailored support to meet specific needs. With such a comprehensive range of features and services, Pro Mosquitto stands out as a robust solution for organizations looking to optimize their IoT communications.

Solace specializes in Event-Driven Architecture (EDA) and boasts two decades of expertise in delivering highly dependable, robust, and scalable data transfer solutions that utilize the publish & subscribe (pub/sub) model. Their technology facilitates the instantaneous data exchange that underpins many daily conveniences, such as prompt loyalty rewards from credit cards, weather updates on mobile devices, real-time tracking of aircraft on the ground and in flight, as well as timely inventory notifications for popular retail stores and grocery chains. Additionally, the technology developed by Solace is instrumental for numerous leading stock exchanges and betting platforms worldwide. Beyond their reliable technology, exceptional customer service is a significant factor that attracts clients to Solace and fosters long-lasting relationships. The combination of innovative solutions and dedicated support ensures that customers not only choose Solace but also continue to rely on their services over time.

Introducing an MQTT Broker meticulously crafted to fulfill all your needs for implementing and expanding IoT applications. This platform boasts an efficient REST API, a rich dashboard equipped with customizable widgets, and a comprehensive data storage system, among others. Users are empowered to quickly gain insights into their IoT devices, tracking client connections and disconnections alongside vital data via multiple dashboard widgets. The system enhances user experience by offering alerts and color-coded indicators triggered by specific value thresholds. Additionally, it includes a powerful rules engine that transforms MQTT messages to streamline machine-to-machine communication automation, supporting both event-driven and timer-based rules, which allow users to identify data trends and automate relevant responses. For secure communications between devices, it employs a publish and subscribe messaging model reinforced by dual layers of security, featuring SSL/TLS encryption for connectivity and optional username/password authentication. Furthermore, robust web security measures are integrated for safe data access. To maintain high availability, the broker can function with multiple message brokers concurrently, ensuring efficient data collection and message distribution from devices. This architecture guarantees an impressive 99.99% success rate in data retrieval, providing reliability in the face of software challenges. Additionally, the system's adaptability facilitates effortless integration with a variety of IoT applications and services, making it an ideal solution for diverse deployment scenarios. Ultimately, this MQTT Broker stands out as a reliable and versatile choice for any IoT project.

HiveMQ stands out as the most trusted MQTT platform for enterprises, designed specifically to facilitate connections through MQTT, ensure dependable communication, and manage IoT data effectively. Its versatility allows for deployment in various environments, whether on-premise or in the cloud, granting developers the adaptability they require as their IoT projects expand. Known for its reliability even under challenging conditions, HiveMQ scales effortlessly and incorporates enterprise-level security features that cater to organizations at any phase of their digital transformation journey. Furthermore, this flexible platform enables smooth integration with top data streaming services, databases, and analytics tools, while also providing a customizable SDK to seamlessly integrate into any technological ecosystem. As IoT demands continue to evolve, HiveMQ remains a pivotal resource for businesses aiming to leverage cutting-edge technology.

Discover the flexibility of data management with a SQL-based rule engine that integrates smoothly with eKuiper, promoting edge stream processing. This methodology significantly reduces the costs tied to the incorporation of event-driven WebHooks in edge computing applications. The system is crafted for straightforward upkeep and comes with HTTP APIs that are ideal for EdgeOps. Despite its compact design, NanoMQ is remarkably powerful, featuring an extensive array of functionalities that enable it to stand out in a competitive landscape. Featuring a Task Layer that employs a built-in actor model and supports thread-level parallelism, it enhances scalability on modern symmetric multiprocessing systems. Seamlessly extend your ability to leverage multiple cores while keeping CPU usage to a minimum in contemporary SMP setups. Additionally, NanoMQ boasts exceptional compatibility and portability across any POSIX-compliant platform, with an impressively small booting footprint of under 200Kb when utilizing its core features, making it an excellent solution for applications where resources are limited. By leveraging these capabilities, developers can create more efficient and responsive applications tailored to the demands of today's technology landscape.

MQ serves as a dependable mechanism for facilitating communication between various components and services. Designed for high availability and persistence, it guarantees best-effort one-time delivery, making it a robust solution for contemporary application architectures in the cloud. Users can take advantage of an extensive array of features, which include both push and pull queues, long polling options, and mechanisms for error handling such as queues for alerts and triggers. As a globally accessible service, MQ operates seamlessly across multiple cloud environments and availability zones. Furthermore, users with stringent messaging needs can configure their queues to redirect to alternative zones if an outage occurs, all without necessitating any code modifications. It is built atop a resilient cloud infrastructure that leverages numerous high-availability data centers, ensuring consistent performance. MQ is designed to scale effortlessly, eliminating the need for users to manually manage or provision additional resources. For streamlined cloud operations, it employs HTTPS/Rest APIs, while also providing maximum flexibility and customization options tailored to MQ standards. With its comprehensive capabilities, MQ stands out as an essential tool for modern application development and deployment.

A large volume of data can be transmitted as messages among various services, applications, and systems simultaneously. In the event of an application becoming unavailable or experiencing service disruptions, there is a risk that messages and transactions might either be lost or duplicated, which could lead to significant financial and time-related implications for businesses. Over the last quarter-century, IBM has enhanced IBM MQ, a robust solution that ensures messages are retained in a queue until they are successfully delivered. This platform guarantees that data, including file data, is transferred only once to prevent competitors from sending messages redundantly or at incorrect times. With IBM MQ, the assurance is that no message will ever be lost. IBM MQ is versatile and can be deployed on mainframes, within containers, or across public and private cloud environments. Additionally, IBM provides an IBM-managed cloud service known as IBM MQ Cloud, which is hosted on platforms like Amazon Web Services or IBM Cloud, alongside a specialized hardware solution called IBM MQ Appliance, designed to streamline the deployment and upkeep processes. This flexibility enables businesses to tailor their messaging solutions to their specific infrastructure needs.

Red Hat AMQ is a dynamic messaging platform designed to guarantee dependable information transmission, promoting real-time integration and enabling connections within the Internet of Things (IoT). It is built on the principles of open source projects, including Apache ActiveMQ and Apache Kafka, and supports a variety of messaging patterns that facilitate the quick and efficient integration of applications, endpoints, and devices, thereby enhancing the agility and responsiveness of enterprises. By enabling high-throughput and low-latency data sharing among microservices and other applications, AMQ plays a crucial role in improving operational efficiency. Moreover, it provides connectivity solutions for client applications crafted in multiple programming languages, ensuring extensive compatibility across platforms. The system also introduces an open-wire protocol for messaging interoperability, allowing organizations to create diverse distributed messaging solutions that can adapt to their evolving requirements. With recognition for its ability to support mission-critical applications, AMQ is backed by Red Hat's award-winning services, cementing its significance in enterprise settings. Furthermore, its flexibility positions it as a prime choice for businesses striving to remain competitive in a swiftly changing digital realm, ultimately leading to a more innovative approach to communication strategies.

ZeroMQ, also known as ØMQ, 0MQ, or zmq, may seem like a simple networking library at first glance, but it actually serves as a powerful concurrency framework. It offers sockets that handle atomic message transmission via different transport methods, including in-process, inter-process, TCP, and multicast. Users can create N-to-N socket connections using various patterns such as fan-out, publish-subscribe, task distribution, and request-reply. Its exceptional speed makes it an ideal choice for the foundation of clustered applications, while its asynchronous I/O architecture supports the creation of scalable multicore applications structured around asynchronous message-processing tasks. Additionally, ZeroMQ is compatible with a broad range of programming languages and works seamlessly across most operating systems, making it an adaptable tool for developers. This versatility not only fosters innovative solutions but also opens up opportunities for new approaches in different programming ecosystems. As a result, developers can leverage ZeroMQ to enhance the performance and scalability of their applications across various platforms.

Middleware observability and management software designed for messaging, event processing, and streaming within hybrid cloud environments is known as MESH. - It offers a comprehensive situational awareness® that ensures full observability of Integration MESH. - The platform facilitates secure management of configuration, administration, and deployment processes while also automating these tasks. - Users can track and trace transactions, messages, and data flows effectively. - It enables the collection of data, performance monitoring, and benchmarking. meshIQ empowers users with detailed controls for managing configurations within the MESH, which minimizes downtime and accelerates recovery following outages. The software supports searching, browsing, tracking, and tracing messages to identify bottlenecks, enhance root cause analysis, and increase efficiency. By unlocking the integration black box, it provides visibility across the MESH infrastructure for thorough visualization, analysis, reporting, and predictive capabilities. Additionally, it equips users with the ability to initiate automated actions based on set criteria or intelligent AI/ML-driven decisions, further enhancing operational efficiency and responsiveness. This holistic approach not only improves system reliability but also fosters a proactive stance in managing integration challenges.

Amazon Simple Queue Service (SQS) is a completely managed messaging solution designed to support the decoupling and scalability of microservices, distributed systems, and serverless applications. It simplifies the complexities and management challenges typically associated with traditional message-oriented middleware, enabling developers to focus on their primary responsibilities. With SQS, users can efficiently send, store, and receive messages across various software components at any scale, ensuring that no messages are lost and that dependent services can remain inactive. Getting started with SQS is a breeze, as users can employ the AWS console, Command Line Interface, or their favorite SDK to carry out just three straightforward commands. This service allows for the transmission of substantial data volumes with high throughput, while preserving message integrity and ensuring independence from other services. Furthermore, SQS plays a crucial role in decoupling application components, which allows them to function and fail independently, thereby significantly improving the overall fault tolerance and reliability of the system. By utilizing SQS, applications can achieve enhanced resilience and efficiency in managing messaging tasks, ultimately leading to improved performance and user satisfaction. Adopting SQS can transform how applications handle communication, making them more robust and adaptable to changing conditions.

FioranoMQ® acts as a dependable enterprise messaging framework for Fiorano, allowing for the smooth and secure integration of various IT systems, thereby boosting operational efficiency, enhancing business agility, and improving overall performance. It offers extensive support for standard-based communication and connectivity, which helps diminish dependence on proprietary technologies. This dynamic communication platform is designed for easy scalability, enabling real-time data transmission across numerous applications, platforms, partners, and customers. Recognized as the leading messaging middleware for mission-critical tasks by global enterprises, Fiorano presents an innovative, high-performance solution with low latency, ideal for the modern digital landscape. Furthermore, the inclusion of security descriptors grants users fine-grained control over API access for designated end-users and groups, while also minimizing the hardware investment needed for optimal performance. Its adaptability ensures that organizations can respond effectively to evolving requirements without sacrificing efficiency, making it a strategic asset for businesses aiming to thrive in competitive environments. This flexibility positions FioranoMQ as a forward-thinking choice for companies looking to future-proof their operations.

Utilize Azure Queue Storage to build flexible applications that decouple functionalities, promoting improved resilience during high-demand periods. By designing your applications with scalability as a core principle, you enable various components to function independently, which opens up specific scaling strategies tailored to your needs. The asynchronous messaging capabilities of queue storage support seamless communication between different parts of your application, whether they are situated in the cloud, on local devices, in on-premises setups, or across mobile environments. Implementing Queue Storage can significantly enhance the efficiency of your service deployments, enabling your applications to manage unexpected surges in traffic and preventing servers from becoming overwhelmed by a sudden influx of requests. Moreover, keeping an eye on the queue length allows you to infuse agility into your application, enabling the dynamic addition or reduction of worker nodes based on fluctuating customer demands. This strategy not only boosts performance but also ensures that resource allocation is finely tuned to meet real-time requirements, leading to a more responsive and effective application overall. By leveraging these capabilities, you can create a robust ecosystem that adapts seamlessly to changing conditions in user traffic.

An advanced and cutting-edge message queue and broker, crafted as a lightweight container for smooth operation within Kubernetes, is recognized in the CNCF ecosystem and supports native integration with various cloud-native technologies. This solution is specifically designed for developers, providing a wide range of messaging patterns while guaranteeing scalability, high availability, and strong security measures. It allows for swift connections between microservices through numerous connectors, all without the need for any programming expertise. With intuitive SDKs and the elimination of predefined topics, channels, brokers, and routes, it greatly simplifies the messaging environment. The Build & Deploy feature empowers users to set up KubeMQ components with ease, requiring only a few clicks before deployment via the kubectl command line. Moreover, it ensures rapid deployment within Kubernetes, taking less than a minute, which makes it exceptionally convenient for developers by tackling various issues encountered by them and DevOps teams. Overall, this platform not only streamlines the messaging process but also significantly boosts productivity in cloud-native ecosystems, thereby fostering a more efficient development workflow. As a result, users can focus on building innovative applications rather than getting bogged down by complex messaging configurations.

AliwareMQ for IoT is a specialized messaging platform designed specifically for applications related to the Internet of Things and mobile internet. Its adaptability enables it to be employed in numerous contexts, including live video broadcasts, financial services, smart dining experiences, instant messaging, mobile apps, connected devices, and smart vehicles. The Message Queue for MQTT supports multiple protocols, such as MQTT and WebSocket, which enables seamless two-way communication between devices and cloud infrastructures. This functionality makes it possible to share messages across various business models, including consumer-to-consumer, consumer-to-business, and business-to-consumer, ultimately fostering a fully integrated Internet of Everything. By catering to such a wide array of applications and communication needs, AliwareMQ significantly boosts the performance and efficacy of IoT solutions, ensuring they meet the evolving demands of modern technology.

Anypoint MQ provides advanced asynchronous messaging functionalities, featuring both queuing and publish/subscribe options, via completely managed cloud message queues and exchanges. Serving as a crucial part of Anypoint Platform™, Anypoint MQ accommodates diverse environments and business units, all while employing role-based access control (RBAC) to guarantee high-level security and operational effectiveness for enterprises. This ensures that organizations can efficiently manage their messaging needs while maintaining robust security protocols.

Apache RocketMQ™ is a versatile messaging platform and agile data processing solution, celebrated for its dependable reliability akin to financial standards and its broad usage in essential transaction operations. It seamlessly connects with a variety of ecosystems, such as microservices, real-time analytics, and data lakes. Thanks to its customizable and low-code framework, users can effortlessly link to any system, facilitating the development of streaming ETL workflows, data pipelines, and comprehensive data lakes. This stream processing engine stands out with its lightweight architecture, remarkable scalability, and impressive performance, complemented by a wide array of features. It accommodates various message types and governance approaches, making it particularly suitable for serverless applications that demand precise message load distribution. The user-friendly architecture and considerable business functionality of Apache RocketMQ have contributed to its popularity among enterprise developers and cloud service providers. Its adaptability and simple integration capabilities render it an indispensable asset for contemporary data-centric applications, ensuring that users can effectively manage their data flows in an increasingly complex digital landscape. All these attributes collectively position Apache RocketMQ as a pivotal player in the future of messaging and data processing.