Apache Pulsar vs DataStax Astra Streaming
| Apache Pulsar | DataStax Astra Streaming | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | api, Linux, macOS, self-hosted, Windows | api, self-hosted, Web |
| Free plan | Yes | Yes |
| Deployment model | self-hosted | cloud |
| Stream processing | Yes | Yes |
| Schema registry | Yes | Yes |
| Delivery guarantee | both | — |
| Supported client languages | Java, Go, Python, C++, C#/.NET, Node.js, WebSocket | C#, Golang, Java, Node.js, Python, Spring Boot |
Both are listed in Best Event Streaming Platforms. On Samsung Mobile US Press, DataStax Astra Streaming scores higher on our published basis.