Apache Pulsar license, foundation and stars
Streaming · Apache 2.0 (open source) · 15,339 stars
Apache Pulsar - distributed pub-sub messaging system
License history
LICENSE fileApache 2.0 No license change recorded since the repository was created in 2016.
Latest release
No GitHub releases published; the project releases elsewhere (tags or its own site).
More in streaming
| Project | Stars | |||
|---|---|---|---|---|
 Apache KafkaApacheApache 2.0 | Apache 2.0 | 33.8k | +61 | - |
| Apache FlinkApacheApache 2.0 | Apache 2.0 | 26.4k | +18 | - |
 nsqMIT | MIT | 25.8k | - | - |
| Apache RocketmqApache 2.0 | Apache 2.0 | 22.6k | - | - |
 nats-serverApache 2.0 | Apache 2.0 | 20.8k | - | - |
 EMQXEMQ TechnologiesBUSL 1.1 | BUSL 1.1changed Apr 2025 | 16.8k | - | - |
 rabbitmq-serverCustom or mixed (see the LICENSE file) | Custom or mixed (see the LICENSE file) | 13.9k | - | - |
 debeziumApache 2.0 | Apache 2.0 | 13.2k | - | - |
About and history
- Repository
- apache/pulsar · created Jun 28, 2016
- Website
- pulsar.apache.org
- Language
- Java
- Foundation
- None; run by its maintainers
- GitHub detects
- Apache-2.0
- Stars per week
- From the second weekly snapshot
Weekly snapshots
| Week of | Stars | |
|---|---|---|
| Sep 21, 2026 | 15,339 |
Changes
| What changed | |
|---|---|
| Sep 25, 2026 | TrackedAdded: apache/pulsar |