Apache Pulsar
Apache Pulsar - distributed pub-sub messaging system (by apache)
Apache ActiveMQ
Apache ActiveMQ (by apache)
| Apache Pulsar | Apache ActiveMQ | |
|---|---|---|
| 39 | 2 | |
| 15,266 | 2,429 | |
| 0.3% | 0.2% | |
| 9.9 | 9.6 | |
| about 12 hours ago | 8 days ago | |
| Java | Java | |
| Apache License 2.0 | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Apache Pulsar
Posts with mentions or reviews of Apache Pulsar.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-12-10.
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Top Open-Source Data Engineering Tools- Unravelling the Best in 2026
Pulsar
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Real-Time Data Streaming Platform: How We Built a Self-Hosted Platform with 90% Cost Reduction vs AWS Managed Services
Performance Benchmarks: Pulsar vs Kafka, ClickHouse Performance
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AWS EKS Deployment: Real-Time Data Streaming Platform - 50K Events/Sec for $1,250/Month
Apache Pulsar: pulsar.apache.org
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Kafka’s creators just replaced it should you burn your cluster or wait it out?
Receipt: Apache Pulsar GitHub
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Why Was Apache Kafka Created?
Northguard doesn’t look like it’s been open sourced? I’d be curious to know how it compares to Apache Pulsar [0]. I feel like I see some similarities reading the LI blog post.
0: https://pulsar.apache.org/
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Every Database Will Support Iceberg — Here's Why
Ingest real-time data from Kafka, Pulsar, or CDC sources like Postgresand MySQL, with built-in support for Debezium.
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Twitter's 600-Tweet Daily Limit Crisis: Soaring GCP Costs and the Open Source Fix Elon Musk Ignored
Apache Pulsar: Pulsar is a distributed messaging platform developed under the Apache Foundation. Its notable features include extremely low latency, support for multi-tenancy, geo-replication across regions, and tiered storage capabilities.
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Release Radar · October 2024: Major updates from the open source community
From Apache, there's Pulsar, a distributed pub-sub messaging platform with a flexible messaging model, and an intuitive client API. The latest version brings enhanced Key_Shared subscription implementation, secure Docker runtime based on Alpine Linux and Java 21, rate limiting, enhanced client compatibility, and more. Check out the release notes to read more about all the changes since the last release.
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Top 7 Kafka Alternatives For Real-Time Data Processing
Apache Pulsar is an open-source distributed messaging platform originally developed by Yahoo! It provides a highly scalable solution for messaging and stream processing with robust durability and fault tolerance.
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Choosing Between a Streaming Database and a Stream Processing Framework in Python
Stream-processing platforms such as Apache Kafka, Apache Pulsar, or Redpanda are specifically engineered to foster event-driven communication in a distributed system and they can be a great choice for developing loosely coupled applications. Stream processing platforms analyze data in motion, offering near-zero latency advantages. For example, consider an alert system for monitoring factory equipment. If a machine's temperature exceeds a certain threshold, a streaming platform can instantly trigger an alert and engineers do timely maintenance.
Apache ActiveMQ
Posts with mentions or reviews of Apache ActiveMQ.
We have used some of these posts to build our list of alternatives
and similar projects.
- CVE-2026-34197: el bug de ActiveMQ que vivió 13 años y ahora CISA obliga a parchar
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How exactly do events work?
If you just want to use events in your software, use whatever native event model your language supports, or a popular separate component. If you want to develop your own message queue/event system, you could for example look at the ActiveMQ source.
What are some alternatives?
When comparing Apache Pulsar and Apache ActiveMQ you can also consider the following projects:
Apache RocketMQ - Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
Apache Kafka - Apache Kafka - A distributed event streaming platform
Apache ActiveMQ Artemis - Apache Artemis
NATS - High-Performance server for NATS.io, the cloud and edge native messaging system.
RocketMQ
Apache Qpid - Mirror of Apache Qpid