List of the Top 4 Event Brokers for Google Cloud Pub/Sub in 2026

HiveMQ provides the most trusted IoT data streaming and Industrial AI platform, built on MQTT, to power a reliable, scalable, and AI-ready data backbone. What HiveMQ is known for: 1. MQTT-native: Built around the MQTT standard, purpose-designed for event-driven, real-time communication 2. Enterprise-grade reliability: Handles millions of concurrent connections with high availability and fault tolerance 3. Industrial-ready: Widely used in IIoT, manufacturing, automotive, energy, smart infrastructure, and data centers 4. Scalable & secure: Supports global deployments with strong security, governance, and observability 5. UNS & IT/OT convergence enabler: Commonly used as the backbone for Unified Namespace architectures and seamlessly connects OT devices with IT systems for full visibility and interoperability.

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.

Unlock unlimited data retention for Apache Kafka® through Confluent, enabling you to transform your infrastructure from being limited by outdated technologies. While traditional systems often necessitate a trade-off between real-time processing and scalability, event streaming empowers you to leverage both benefits at once, fostering an environment ripe for innovation and success. Have you thought about how your rideshare app seamlessly analyzes extensive datasets from multiple sources to deliver real-time estimated arrival times? Or how your credit card company tracks millions of global transactions in real-time, quickly notifying users of possible fraud? These advanced capabilities are made possible through event streaming. Embrace microservices and support your hybrid strategy with a dependable connection to the cloud. By breaking down silos, you can ensure compliance and experience uninterrupted, real-time event delivery. The opportunities are truly boundless, and the potential for expansion has never been more significant, making it an exciting time to invest in this transformative technology.

Eventarc from Google Cloud provides a comprehensive managed platform that allows developers to create event-driven architectures by routing events from diverse sources to specified endpoints. It effectively captures system-generated events and transmits them to selected destinations, fostering the creation of loosely coupled services that react appropriately to changes in state. With the capability to handle events from various Google Cloud services, custom applications, and external SaaS platforms, Eventarc presents substantial flexibility for developing event-driven solutions. Developers can configure triggers to route events to different endpoints, such as Cloud Run services, which significantly enhances the responsiveness and scalability of application designs. Additionally, Eventarc ensures secure event delivery by utilizing Identity and Access Management (IAM), which provides detailed access control over event ingestion and processing. This strong security mechanism guarantees that only authorized individuals are permitted to manage events, thereby upholding the integrity and confidentiality of the data involved. Ultimately, Eventarc streamlines the development of sophisticated event-driven applications while prioritizing security and efficient resource management.