Comparison

ActiveMQ vs Apache Pulsar

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.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
ActiveMQ67
Apache Pulsar59
Score
Vioscale score
ActiveMQ67 / 100low · 22%updating
Apache Pulsar59 / 100low · 29%updating
Pricing
Free tier
ActiveMQ
Apache Pulsar
Model
ActiveMQcommercial
Apache Pulsarcommercial
Price level
ActiveMQfree
Apache Pulsarfree
Transparent
ActiveMQ
Apache Pulsar
Integrations
Count
ActiveMQ
Apache Pulsar35
Adoption
Dependent repos
ActiveMQ7,528
Apache Pulsar316
Github stars
ActiveMQ2,451
Apache Pulsar15,315
Activity
Commits last 30d
ActiveMQ39
Apache Pulsar69
Release
History
ActiveMQ18 items
Apache Pulsar20 items
License
Spdx
ActiveMQApache-2.0
Apache PulsarApache-2.0
Language
Primary
ActiveMQJava
Apache PulsarJava

Capabilities

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

Core
Messaging paradigm
ActiveMQPub/sub
Apache PulsarPub/sub
Correctness
Delivery guarantee
ActiveMQ-
Apache PulsarExactly-once
Ordering guarantee
ActiveMQ-
Apache PulsarPer-partition
Durability
Durable replayable log
ActiveMQ
Apache Pulsar
Message replay / rewind
ActiveMQ-
Apache Pulsar
Interop
Wire protocol
ActiveMQAMQP, STOMP, MQTT, JMS
Apache Pulsarpulsar://
Kafka-protocol compatible
ActiveMQ-
Apache Pulsar
Scale
Partitioned horizontal scaling
ActiveMQ
Apache Pulsar
Geo / cross-region replication
ActiveMQ-
Apache Pulsar
Consumption
Consumer groups / competing consumers
ActiveMQ-
Apache Pulsar
Dead-letter queue
ActiveMQ-
Apache Pulsar-
Deployment
Managed cloud offering exists
ActiveMQ
Apache Pulsar-
Hosting
ActiveMQCloud + self-hosted
Apache PulsarCloud + self-hosted
Processing
Built-in stream processing
ActiveMQ-
Apache Pulsar

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

Apache Pulsar

A distributed messaging system built for cloud deployments that enables applications to reliably publish and consume messages—either individually or as continuous streams—with sub-10-millisecond latency, supporting millions of independent topics and large-scale streaming workloads.

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 verify ↗

Apache Pulsar

Open source
as of verify ↗

Platform & deployment

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

Platforms
Windows
ActiveMQ
Apache Pulsar
Linux
ActiveMQ
Apache Pulsar
CLI
ActiveMQ
Apache Pulsar
Deployment
Cloud / SaaS
ActiveMQ
Apache Pulsar
Self-hosted
ActiveMQ
Apache Pulsar

Integrations

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

ActiveMQ

Not documented yet.

Apache Pulsar

29 total
  • Kafka
  • RabbitMQ
  • MongoDB
  • Cassandra
  • Elasticsearch
  • HBase
  • HDFS
  • InfluxDB
  • Redis
  • Solr
  • DynamoDB
  • Kinesis
  • Azure Data Explorer
  • ClickHouse
  • PostgreSQL
  • MariaDB
  • SQLite
  • Debezium MySQL
  • Debezium PostgreSQL
  • Debezium MongoDB
  • Debezium Oracle
  • Debezium Microsoft SQL Server
  • Canal
  • Aerospike
  • +5 more
Independently observed

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