InfluxDB
Time-series
Time-series database for metrics, IoT and observability: SQL and InfluxQL, Python plugins; free Core caps queries, Enterprise compacts.
Time-series
Loading tools…
Free self-hosted; cloud from $30/month
Tiger Data
Time-series
Tiger Data sells TimescaleDB, a PostgreSQL extension for time-series data, and Tiger Cloud, its managed Postgres service on AWS and Azure.
QuestDB
Time-series
Open-source time-series database with SQL extensions (SAMPLE BY, ASOF JOIN), fast ingestion and Parquet; Enterprise adds HA and security.