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Head-to-head · Message Queue (MQ) Software

Solace PubSub+ Event Broker vs Apache ActiveMQ

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Solace PubSub+ Event Broker #7 in Message Queue (MQ) Software 8.7/10 Free plan · 30-day trial Free planFree trial Visit Solace

Solace PubSub+ Event Broker leads on 0 checks, Apache ActiveMQ on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreSolace PubSub+ Event Broker · 8.7/10
  • Free planboth
  • Free trialonly Solace PubSub+ Event Broker

Solace PubSub+ Event Broker scores higher on our rubric for message queue (mq) software: 8.7 against 8.6 out of 10; our editors rank them #7 and #8.

Solace PubSub+ Event Broker is the better fit for enterprises connecting events across protocols. Apache ActiveMQ is the better fit for teams needing free, self-hosted multi-protocol messaging.

  • Solace PubSub+ Event Broker fits best

    Enterprises connecting events across protocols

  • Apache ActiveMQ fits best

    Teams needing free, self-hosted multi-protocol messaging

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Side by side

Feature Solace PubSub+ Event Broker 8.7/10 Visit ↗ Apache ActiveMQ 8.6/10 Visit ↗
At a glance
Editor score 8.7 8.6
Ranking #7 in Message Queue (MQ) Software #8 in Message Queue (MQ) Software
Best for Enterprises connecting events across protocols Teams needing free, self-hosted multi-protocol 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, Linux
Support Email, Phone, Tickets, Community · 24/7 Community, Docs
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Specs
Deployment Not checked yet Not checked yet
Delivery guarantee Not checked yet Not checked yet
Protocols Not checked yet Not checked yet
Message retention Not checked yet Not checked yet
Throughput limit Not checked yet Not checked yet
Max message size Not checked yet Not checked yet
Our review
Pros
  • Supports pub/sub, point-to-point, request/reply and FIFO queue messaging
  • Routes events dynamically across hybrid environments and event meshes
  • Connects MQTT, AMQP, JMS, REST, WebSockets and Kafka
  • Supports OpenWire, STOMP, AMQP, MQTT, and REST connectivity
  • Offers persistent, transactional, and XA messaging with redelivery policies
  • Includes dead-letter queues, message groups, and broker clustering
Cons
  • No built-in stream-processing capability
  • Schema Registry is a separate component, not part of the broker
  • The broker is proprietary rather than open source
  • Self-hosted deployment requires teams to operate the broker
  • No official hosted offering or paid plans are listed
  • Support channels are community resources and documentation
Our verdict

Solace PubSub+ Event Broker routes real-time events between applications, services and devices. Its messaging modes include publish/subscribe, point-to-point, request/reply and FIFO queues, making it suitable for enterprise event-driven…

Read the review →

Apache ActiveMQ is an open-source message broker for applications that need queue-based or publish-subscribe messaging. Its protocol coverage includes OpenWire, STOMP, AMQP, MQTT, and REST, with support for multiple client languages. It is…

Read the review →
  1. Solace PubSub+ Event BrokerMessage Queue (MQ) Software 8.7Free plan · 30-day trial
  2. Apache ActiveMQMessage Queue (MQ) Software 8.6Free plan

Strengths and trade-offs

  • Solace PubSub+ Event Broker — where it wins

    • Supports pub/sub, point-to-point, request/reply and FIFO queue messaging
    • Routes events dynamically across hybrid environments and event meshes
    • Connects MQTT, AMQP, JMS, REST, WebSockets and Kafka

    Where it doesn't

    • No built-in stream-processing capability
    • Schema Registry is a separate component, not part of the broker
    • The broker is proprietary rather than open source
  • Apache ActiveMQ — where it wins

    • Supports OpenWire, STOMP, AMQP, MQTT, and REST connectivity
    • Offers persistent, transactional, and XA messaging with redelivery policies
    • Includes dead-letter queues, message groups, and broker clustering

    Where it doesn't

    • Self-hosted deployment requires teams to operate the broker
    • No official hosted offering or paid plans are listed
    • Support channels are community resources and documentation
  • Solace PubSub+ Event Broker8.7/10 · Free plan · 30-day trial

    A protocol-rich broker for enterprises routing events across hybrid environments.

    Visit SolaceFull verdict →
  • Apache ActiveMQ8.6/10 · Free plan

    A self-hosted broker with broad protocol support and configurable delivery features.

    Try Apache ActiveMQFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update