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Solace PubSub+ Event Broker
Ottawa, Ontario, Canada
What it is
Solace PubSub+ Event Broker moves information among applications, AI agents, and devices across cloud, on-premises, and edge environments. Brokers can connect as an event mesh to route data across clouds, data centers, and geographies. The product is offered as a cloud service, software, or appliance, with deployment options for clouds, data centers, and remote locations. Messaging capabilities include exchange patterns, qualities of service, caching, partitioned queues, and replay. It supports AMQP, Kafka, MQTT, REST, and WebSocket, as well as programming-language APIs and supported micro-integrations for applications, cloud services, and integration tools. Monitoring provides custom dashboards and alerts; distributed tracing is built into the broker and based on OpenTelemetry. Solace Cloud event broker services enable secure protocol ports by default and disable plain-text ports by default. Listed free options include a 30-day cloud trial and a free enterprise-grade software version. Cloud tiers list maximum concurrent connections and queues from 250 to 100,000, with configurable storage up to 6 TB.
For and against
For
- Routes events across clouds and geographies
- Supports AMQP, Kafka, MQTT, REST, and WebSocket
- Includes dashboards, alerts, and distributed tracing
- Available as cloud service, software, or appliance
- Free software version and 30-day cloud trial
Against
- Cloud trial lasts 30 days
- Stream processing is not included
- Schema registry is not included
The verdict
Solace PubSub+ Event Broker offers several deployment forms and a broad set of messaging protocols, with event mesh routing and monitoring tools. Its listed free options are a time-limited cloud trial and a separate software version.
Who it suits
Solace describes the Event Broker for enterprises with demanding messaging and streaming needs, and for connecting applications, customers, partners, and devices. Its cloud, software, and appliance forms support teams deploying across cloud, data center, or remote environments.
Plans and prices
Event Broker Software Standard
Full functionality · TLS · AMQP/JMS/MQTT/REST/WebSocket · HA and disaster-recovery replication
Read 15 Oct 2026 · solace.com
Solace Cloud trial
30-day test drive · Cloud-managed event broker
Read 15 Oct 2026 · solace.com
Solace Cloud Event Broker Trial
Cloud event broker service; trial duration is 30 days
Read 9 Oct 2026 · solace.com
Solace Event Broker Software Free Version
Free enterprise-grade software version; run-anywhere; IaaS/PaaS-ready
Read 9 Oct 2026 · solace.com
Event Broker Software Enterprise
Licensed per core · Full functionality · TLS · AMQP/JMS/MQTT/REST/WebSocket
Read 15 Oct 2026 · solace.com
On the record
- API support lifecycle
- Solace publishes end-of-support dates for messaging API versions, including API 7.23 ending September 26, 2026 and API 7.24 ending December 16, 2026.solace.com · read 15 Oct 2026
- Capacity limits
- Cloud tiers range from ENT-250 to ENT-100K, with maximum concurrent connections and queues listed from 250 to 100,000 and configurable storage up to 6 TB.solace.com · read 9 Oct 2026
- C API
- The C messaging API targets C and C++ applications and provides sessions, topic subscriptions and guaranteed queue or topic-endpoint delivery.docs.solace.com · read 15 Oct 2026
- Cloud integrations
- Solace documents no-code or low-code integrations for AWS services including SQS, SNS, Kinesis, S3 and Lambda.solace.com · read 15 Oct 2026
- Cloud service
- Solace Cloud is a fully managed service where Solace handles deployment, upgrades, patching and infrastructure operations.solace.com · read 15 Oct 2026
- Cloud service-level claim
- The Solace Cloud product page advertises 99.99% uptime, high availability and multizone replication.solace.com · read 15 Oct 2026
- Company size and location
- LinkedIn lists Solace as privately held, founded in 2001, headquartered in Kanata, Ontario, with 501–1,000 employees.linkedin.com · read 15 Oct 2026
- Deployment
- The broker is available as a cloud service, software, or appliance and can run in clouds, data centers, and remote locations.solace.com · read 9 Oct 2026
- Deployment models
- The broker is offered as a managed cloud service, self-managed software and hardware appliance, with interoperable form factors.solace.com · read 15 Oct 2026
- Developer documentation
- Official documentation includes API references, integration guides, codelabs, GitHub examples and community support.docs.solace.com · read 15 Oct 2026
- Event mesh
- Dynamic Message Routing automatically propagates subscriptions and events between Solace brokers so applications can share data across environments as if attached to one broker.solace.com · read 15 Oct 2026
- High availability
- Solace states that brokers provide high availability and disaster recovery without third-party components, with synchronous or asynchronous replication.solace.com · read 15 Oct 2026
- Integrations
- Solace offers supported micro-integrations for applications, cloud services, and integration tools.solace.com · read 9 Oct 2026
- Intended users
- The product page describes the broker for enterprises with demanding messaging and streaming needs and for connecting applications, customers, partners, and devices.solace.com · read 9 Oct 2026
- Java SDK
- Solace publishes a Java messaging client with builders for direct and guaranteed publishers, receivers, queue browsers and messaging services.docs.solace.com · read 15 Oct 2026
- Kafka integration
- An integrated Kafka Bridge runs inside the software broker and can be configured through the GUI, CLI or SEMP API for bidirectional messaging.solace.com · read 15 Oct 2026
- Kubernetes operator
- The Kubernetes Event Broker Operator creates and reconciles broker deployments from a PubSubPlusEventBroker custom resource and supports upgrades, repairs and Prometheus monitoring.github.com · read 15 Oct 2026
- Legal name and owner
- Crunchbase identifies the legal name as Solace Corporation and lists Bridge Growth Partners as acquirer.crunchbase.com · read 15 Oct 2026
