Best On-Premises Message-Oriented Middleware of 2025

HiveMQ is the most trusted enterprise MQTT platform, purpose-built to connect anything via MQTT, communicate reliably, and control IoT data. The platform can be deployed anywhere, on-premise or in the cloud, giving developers the flexibility and freedom they need to evolve as their IoT deployment grows. HiveMQ is reliable under real-world stress, scales without limits, and provides enterprise-grade security to meet the needs of organizations at any stage of digital transformation. The extensible platform provides seamless connectivity to the leading data streaming, databases, and data analytics platforms, plus offers a custom SDK for a perfect fit in any stack.

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 data 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. EMQX Enterprise: The World’s # 1 Scalable MQTT Messaging Platform -100M concurrent MQTT connections -1M/s messages throughput under 1ms latency -Business-critical reliability, Up to 99.99% SLA -Integrate IoT data seamlessly with over 40 cloud services and enterprise systems EMQX Cloud: Fully Managed MQTT Service for IoT - Scale as you need, pay as you go - Flexible and rich IoT data integration up to 40+ choices - Run in 19 regions across AWS, GCP, and Microsoft Azure - 100% MQTT

Solace is a specialist in Event-Driven-Architecture (EDA), with two decades of experience providing enterprises with highly reliable, robust and scalable data movement technology based on the publish & subscribe (pub/sub) pattern. Solace technology enables the real-time data flow behind many of the conveniences you take for granted every day such as immediate loyalty rewards from your credit card, the weather data delivered to your mobile phone, real-time airplane movements on the ground and in the air, and timely inventory updates to some of your favourite department stores and grocery chains, not to mention that Solace technology also powers many of the world's leading stock exchanges and betting houses. Aside from rock solid technology, stellar customer support is one of the biggest reasons customers select Solace, and stick with them.

Oracle SOA uniquely enables the seamless transition of current on-premises integrations and composite applications to the cloud without modification through its Bring Your Own License (BYOL) model, while also facilitating the development of modern integrations via Oracle Integration. Enhance overall productivity and minimize retyping mistakes by automating data flows between Oracle, third-party, and bespoke applications. By decoupling services from clients in application interactions, businesses can experience improved agility and lower support expenses. Users have the flexibility to deploy integrations either on-premises or in the cloud, allowing for an optimized balance of security, costs, and compliance with regulatory standards. With a focus on service-oriented automation styles, organizations can transition development efforts to Oracle Integration for superior connectivity. Furthermore, they can streamline administrative tasks such as backup, restoration, scalability, and ensuring high availability, thereby reducing complexity and errors while bolstering agility in operations. Ultimately, this comprehensive approach helps organizations adapt swiftly to changing business needs and technological advancements.

Middleware Observability & management software for Messaging, event processing, and Streaming Across Hybrid Clouds (MESH). - 360 degree situational awareness® with complete observability of Integration MESH - Manage configuration, administration and deployment in a secure manner and automate them. - Track and trace transactions, messages, and flows - Collect data, monitor performance, and benchmark it meshIQ provides granular controls for managing configurations in the MESH, reducing downtime and allowing quick recovery after outages. It allows you to search, browse, track and trace messages in order to detect bottlenecks, speed up root cause analysis, and detect bottlenecks. Unlocks integration blackbox for visibility across MESH infrastructure in order to visualize, analyse, report and predict. Delivers the capability to trigger automated action based on predefined criteria or intelligent AI/ML actions.

GoSaaS Integrator is an agile and adaptable enterprise integration solution that effortlessly connects both on-premise and cloud-based applications. It is specifically crafted to synchronize objects between any two systems with precision. This integration framework operates on a message-based architecture, allowing it to either retrieve or send data from complex systems through invoke or trigger adapters. By utilizing this intelligent solution, businesses can maintain a seamless workflow, ensuring that data remains consistent across all platforms. Additionally, it facilitates mappings and transformations to conform to the required destination formats, making it suitable for a variety of use cases. Designed to support the development of intricate, high-performance integrations, GoSaaS Integrator employs a microservices architecture aimed at enhancing scalability and reusability. It guarantees the accuracy of data shared between systems while also improving change management capabilities, enabling bidirectional synchronization and promoting a streamlined business process. Overall, this solution empowers organizations to adapt to evolving business needs with greater efficiency and reliability.