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Head-to-head · Message Broker Software

Solace PubSub+ Event Broker vs Apache Artemis

  • Updated Nov 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score Solace PubSub+ Event Broker #2 in Message Broker Software 9.2/10 Free plan · 30-day trial Free planFree trial✓ 0 of 1 features Visit Solace
Apache Artemis #6 in Message Broker Software 8.7/10 Free plan Free plan✓ 1 of 1 features Visit Apache Artemis

Solace PubSub+ Event Broker leads on 0 checks, Apache Artemis on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSolace PubSub+ Event Broker · 9.2/10
  • Free planboth
  • Free trialonly Solace PubSub+ Event Broker
  • Most featuresApache Artemis · 1 of 1

Solace PubSub+ Event Broker scores higher on our rubric for message broker software: 9.2 against 8.7 out of 10; our editors rank them #2 and #6.

On deployment model, Solace PubSub+ Event Broker gives you Hybrid where Apache Artemis offers Self_hosted.

Solace PubSub+ Event Broker is the better fit for hybrid event mesh deployments. Apache Artemis is the better fit for self-hosted enterprise messaging.

  • Solace PubSub+ Event Broker fits best

    Hybrid event mesh deployments

  • Apache Artemis fits best

    Self-hosted enterprise messaging

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Side by side

Feature Solace PubSub+ Event Broker 9.2/10 Visit ↗ Apache Artemis 8.7/10 Visit ↗
At a glance
Editor score 9.2 8.7
Ranking #2 in Message Broker Software #6 in Message Broker Software
Best for Hybrid event mesh deployments Self-hosted enterprise messaging
Pricing model Free plan + paid Free
Starting price Free plan · 30-day trial Free plan
Free plan ✓ ✓
Free trial 30 days —
Deployment Cloud, Self-hosted Self-hosted
Platforms Web Windows, macOS, Linux
Support Email, Phone, Tickets, Community · 24/7 Community, Docs
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Solace PubSub+ Event Broker 0/1 · Apache Artemis 1/1
Dead-letter queues Not checked yet ✓ (best)
Specs
Deployment model Hybrid Self_hosted
Delivery guarantees Not checked yet Configurable
Ordering guarantees Not checked yet Per_queue
Maximum message size Not checked yet Not checked yet
Supported protocols Not checked yet AMQP, MQTT, STOMP, OpenWire, Core
Our review
Pros
  • Supports pub/sub, queues, request/reply, FIFO and dynamic routing
  • Connects through MQTT, AMQP, JMS, REST, WebSockets and Kafka
  • Combines persistent delivery, direct messaging, replay, HA and disaster recovery
  • Supports AMQP, MQTT, STOMP, OpenWire, and Core protocols
  • Combines persistence, transactions, clustering, and automatic failover
  • Handles dead-lettering, ordered consumption, and large messages
Cons
  • Proprietary rather than open source
  • Stream processing is not part of the broker
  • Schema Registry is a separate component
  • Self-hosted deployment requires responsibility for operations and infrastructure
  • Ordering guarantees apply per queue rather than universally
  • Does not include AI features
Our verdict

Solace PubSub+ Event Broker routes real-time events between applications, services and devices. It is designed for enterprise event-driven architectures, operational event distribution, hybrid-cloud integration and IoT messaging. Teams can…

Read the review →

Apache Artemis is an open-source, embeddable message broker for asynchronous messaging and message-oriented middleware. It supports both queue and publish-subscribe patterns, making it suitable for teams building distributed applications…

Read the review →
  1. Solace PubSub+ Event BrokerMessage Broker Software 9.2Free plan · 30-day trial
  2. Apache ArtemisMessage Broker Software 8.7Free plan

Strengths and trade-offs

  • Solace PubSub+ Event Broker — where it wins

    • Supports pub/sub, queues, request/reply, FIFO and dynamic routing
    • Connects through MQTT, AMQP, JMS, REST, WebSockets and Kafka
    • Combines persistent delivery, direct messaging, replay, HA and disaster recovery

    Where it doesn't

    • Proprietary rather than open source
    • Stream processing is not part of the broker
    • Schema Registry is a separate component

  • Apache Artemis — where it wins

    • Supports AMQP, MQTT, STOMP, OpenWire, and Core protocols
    • Combines persistence, transactions, clustering, and automatic failover
    • Handles dead-lettering, ordered consumption, and large messages

    Where it doesn't

    • Self-hosted deployment requires responsibility for operations and infrastructure
    • Ordering guarantees apply per queue rather than universally
    • Does not include AI features
  • Solace PubSub+ Event Broker9.2/10 · Free plan · 30-day trial

    A broad hybrid event broker for teams connecting applications, services and devices.

    Visit SolaceFull verdict →
  • Apache Artemis8.7/10 · Free plan

    A capable self-hosted broker for durable, transactional, multi-protocol messaging.

    Visit Apache ArtemisFull verdict →

More comparisons

All message broker software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026

Last updated · How we research and update