BTrDB vs kdb+
| BTrDB | kdb+ | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | api, Linux, self-hosted | Windows, macOS, Linux |
| Deployment | self_hosted | both |
| SQL support | No | Yes |
| Horizontal scaling | Yes | Yes |
| Ingestion methods | Python Stream.insert API; PyArrow table insertion; pandas DataFrame insertion | tickerplant, feed handlers, batch mode, TCP/IP, Apache Kafka, Python, Java, C |
| Retention policies | — | Yes |
| Query languages | — | q, q-SQL |
Both are listed in Best Time-Series Databases. On Specifiction, kdb+ scores higher on our published basis.