TDengine is a relational time-series database management system.
One of the modules of TDengine is the time-series database. TDengine also provides functions such as caching, message queuing, subscription, stream computing, etc. TDengine provides a full-stack technical solution for the processing of IoT and Industrial Internet BigData.
It supports SQL language.
Clustered feature is open-sourced.
https://github.com/taosdata/TDengine
https://www.taosdata.com/en/documentation/
TAOS Data
2017
C, C++, Go, Java, Python, Rust, SQL