1. TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.

  2. An open-source distributed time series database with no external dependencies

  3. PingThings' PredictiveGrid™ platform offers a time series database purpose built for industrial scale deployments of high rate sensors (1Khz+).

  4. OpenTSDB is a distributed, scalable Time Series Database (TSDB) written on top of HBase.

  5. Graphite is a highly scalable real-time graphing system.