Comparison

ActiveMQ vs Google Cloud Pub/Sub

No leader: the top candidate ActiveMQ has only 0.22 confidence (low), below the 0.35 needed to declare a winner. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

ActiveMQ full profile →Google Cloud Pub/Sub full profile →

Machine formatsJSON Markdown GraphQLor send Accept: application/json

ActiveMQ67

Google Cloud Pub/Sub53

Attribute comparison across 2 tools
Attribute	ActiveMQ	Google Cloud Pub/Sub
Vioscale score	67 / 100low · 22%	53 / 100low · 49%
Pricing
Free tierpricing.free_tier	✓	✓
Modelpricing.model	commercial	freemium
Price levelpricing.price_level	free	low
Transparentpricing.transparent	✓	✗
Integrations
Countintegrations.count	-	3
Security
Scorecardsecurity.scorecard	6.9	-
Vulnerabilitiessecurity.vulnerabilities	Count: 12 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.apache.activemq%3Aactivemq-broker&per_page=100 · Last 12m: 9 · Max severity: CRITICAL	-
Reliability
Status pagereliability.status_page	-	✓
Adoption
Dependent reposadoption.dependent_repos	7,528	-
Github starsadoption.github_stars	2,451	-
Activity
Commits last 30dactivity.commits_last_30d	39	-
Release
Historyrelease.history	18 items	-
License
Spdxlicense.spdx	Apache-2.0	-
Language
Primarylanguage.primary	Java	-
Market
Availabilitymarket.availability	-	Available worldwide · Popular in US · HQ US

Score

Vioscale score

ActiveMQ67 / 100low · 22%

Google Cloud Pub/Sub53 / 100low · 49%

Pricing

Free tier

ActiveMQ✓

Google Cloud Pub/Sub✓

Model

ActiveMQcommercial

Google Cloud Pub/Subfreemium

Price level

ActiveMQfree

Google Cloud Pub/Sublow

Transparent

ActiveMQ✓

Google Cloud Pub/Sub✗

Integrations

Count

ActiveMQ–

Google Cloud Pub/Sub3

Security

Scorecard

ActiveMQ6.9

Google Cloud Pub/Sub–

Vulnerabilities

ActiveMQCount: 12 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=org.apache.activemq%3Aactivemq-broker&per_page=100 · Last 12m: 9 · Max severity: CRITICAL

Google Cloud Pub/Sub–

Reliability

Status page

ActiveMQ–

Google Cloud Pub/Sub✓

Adoption

Dependent repos

ActiveMQ7,528

Google Cloud Pub/Sub–

Github stars

ActiveMQ2,451

Google Cloud Pub/Sub–

Activity

Commits last 30d

ActiveMQ39

Google Cloud Pub/Sub–

Release

History

ActiveMQ18 items

Google Cloud Pub/Sub–

License

Spdx

ActiveMQApache-2.0

Google Cloud Pub/Sub–

Language

Primary

ActiveMQJava

Google Cloud Pub/Sub–

Market

Availability

ActiveMQ–

Google Cloud Pub/SubAvailable worldwide · Popular in US · HQ US

Capabilities

Feature-by-feature on the axes that matter for message queues. “-” means undocumented, not absent.

Capability comparison for Message Queues
Capability	ActiveMQ	Google Cloud Pub/Sub
Core
Messaging paradigm	Pub/sub	Pub/sub
Correctness
Delivery guarantee	-	At-least-once
Ordering guarantee	-	Per-key
Durability
Durable replayable log	✓	✓
Message replay / rewind	-	✓
Interop
Wire protocol	AMQP, STOMP, MQTT, JMS	-
Kafka-protocol compatible	-	-
Scale
Partitioned horizontal scaling	✓	✓
Geo / cross-region replication	-	✓
Consumption
Consumer groups / competing consumers	-	✓
Dead-letter queue	-	-
Deployment
Managed cloud offering exists	✓	✓
Hosting	Cloud + self-hosted	Cloud only
Processing
Built-in stream processing	-	✓

Core

Messaging paradigm

ActiveMQPub/sub

Google Cloud Pub/SubPub/sub

Correctness

Delivery guarantee

ActiveMQ-

Google Cloud Pub/SubAt-least-once

Ordering guarantee

ActiveMQ-

Google Cloud Pub/SubPer-key

Durability

Durable replayable log

ActiveMQ✓

Google Cloud Pub/Sub✓

Message replay / rewind

ActiveMQ-

Google Cloud Pub/Sub✓

Interop

Wire protocol

ActiveMQAMQP, STOMP, MQTT, JMS

Google Cloud Pub/Sub-

Kafka-protocol compatible

ActiveMQ-

Google Cloud Pub/Sub-

Scale

Partitioned horizontal scaling

ActiveMQ✓

Google Cloud Pub/Sub✓

Geo / cross-region replication

ActiveMQ-

Google Cloud Pub/Sub✓

Consumption

Consumer groups / competing consumers

ActiveMQ-

Google Cloud Pub/Sub✓

Dead-letter queue

ActiveMQ-

Google Cloud Pub/Sub-

Deployment

Managed cloud offering exists

ActiveMQ✓

Google Cloud Pub/Sub✓

Hosting

ActiveMQCloud + self-hosted

Google Cloud Pub/SubCloud only

Processing

Built-in stream processing

ActiveMQ-

Google Cloud Pub/Sub✓

What each one is

The product in its own terms, so the numbers below have context.

ActiveMQ

A message broker that facilitates asynchronous communication between services regardless of programming language, using standardized protocols. Supports high-availability configurations and can be deployed on-premises or through managed cloud services.

Independently observed

Google Cloud Pub/Sub

A cloud-based publish/subscribe messaging system that enables applications to ingest and stream event data at scale with guaranteed delivery, automatic scaling, and built-in replay capabilities. Integrates with data warehouses and stream processing pipelines for real-time analytics.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

ActiveMQ

Open sourceFree tier

Open source and free to download and use. Professional support available from commercial vendors.

as of 2026-08-14verify ↗

Google Cloud Pub/Sub

from $0.27/moUsage-basedFree tier

Usage-based: $40/TiB throughput, $0.27/GiB-month storage. Free tier: 10 GiB/month throughput.

Standard Pub/Sub$40/TiB throughput + $0.27/GiB-month storage (first 10 GiB throughput free)
- At-least-once message delivery
- Per-key message ordering
- Pull and push delivery modes
- Cross-zone replication
- Automatic scaling and provisioning
- +1 more

as of 2026-08-05verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platform and deployment support comparison
Supports	ActiveMQ	Google Cloud Pub/Sub
WebPlatforms	✗	✓
WindowsPlatforms	✓	✗
LinuxPlatforms	✓	✗
CLIPlatforms	✓	✓
Cloud / SaaSDeployment	✓	✓
Self-hostedDeployment	✓	✗

Platforms

Web

ActiveMQ✗

Google Cloud Pub/Sub✓

Windows

ActiveMQ✓

Google Cloud Pub/Sub✗

Linux

ActiveMQ✓

Google Cloud Pub/Sub✗

CLI

ActiveMQ✓

Google Cloud Pub/Sub✓

Deployment

Cloud / SaaS

ActiveMQ✓

Google Cloud Pub/Sub✓

Self-hosted

ActiveMQ✓

Google Cloud Pub/Sub✗

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

ActiveMQ

Not documented yet.

Google Cloud Pub/Sub

3 total

BigQuery
Cloud Storage
Dataflow

Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.