kdb+ vs TDengine
| kdb+ | TDengine | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | $281.25/mo |
| Open source | No | No |
| Platforms | Windows, macOS, Linux | api, Linux, macOS, self-hosted, Web, Windows |
| Deployment | both | both |
| SQL support | Yes | Yes |
| Retention policies | Yes | Yes |
| Horizontal scaling | Yes | Yes |
| Query languages | q, q-SQL | SQL |
| Ingestion methods | tickerplant, feed handlers, batch mode, TCP/IP, Apache Kafka, Python, Java, C | SQL, InfluxDB Line Protocol, OpenTSDB Telnet Protocol, OpenTSDB JSON Protocol, MQTT, OPC UA, OPC DA, Kafka, CSV, PI System, MySQL, PostgreSQL, Oracle, MongoDB |
| Free plan | — | Yes |
Both are listed in Best Time-Series Databases, Best OLAP Software. On Freedom251, TDengine scores higher on our published basis.