Apache Kafka license, foundation and stars
Streaming · Apache 2.0 (open source) · Apache Software Foundation · backed by Confluent · 33,835 stars
Apache Kafka - A distributed event streaming platform
License history
LICENSE fileApache 2.0 No license change recorded since the repository was created in 2011.
Latest release
No GitHub releases published; the project releases elsewhere (tags or its own site).
More in streaming
| Project | Stars | |||
|---|---|---|---|---|
 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 | - | - |
| Apache PulsarApache 2.0 | Apache 2.0 | 15.3k | - | - |
 rabbitmq-serverNOASSERTION | NOASSERTION | 13.9k | - | - |
 debeziumApache 2.0 | Apache 2.0 | 13.2k | - | - |
About and history
- Repository
- apache/kafka · created Aug 15, 2011
- Website
- kafka.apache.org
- Language
- Java
- Foundation
- Apache Software Foundation, top-level project · source
- Company
- Confluent · on Companies · on Acquisitions · on awards · on blogs · on certifications · on Attested · on Downtime · on Mainstage · on Leaders · on marketplaces · on Paydays · on Footprint · on Releases · on Nines · on Stories · on TechConf · on Titlewave · on training
- GitHub detects
- Apache-2.0
- Stars per week
- 61 (OSS Insight weekly star history, Aug 31 to Sep 21, 2026)
Weekly snapshots
| Week of | Stars | |
|---|---|---|
| Sep 21, 2026 | 33,835 |
Changes
| What changed | |
|---|---|
| Sep 24, 2026 | TrackedAdded: apache/kafka |