PostgreSQL ++ for time series and events.
An open-source time-series SQL database optimized for fast ingest and complex queries. Packaged as a PostgreSQL extension.

TimescaleDB is an open-source database designed to make SQL scalable for time-series data. It is engineered up from PostgreSQL and packaged as a PostgreSQL extension, providing automatic partitioning across time and space (partitioning key), as well as full SQL support.

• TimescaleDB @ GitHub.
• Just Use Postgres for Everything @ Amazing CTO.