Google Charts - Interactive charts for browsers and mobile devices.
InfluxData - Scalable datastore for metrics, events, and real-time analytics.
ZingChart - ZingChart is a fast, modern, powerful JavaScript charting library for building animated, interactive charts and graphs. Bring on the big data!
TimescaleDB - TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.
Highcharts - A charting library written in pure JavaScript, offering an easy way of adding interactive charts to your web site or web application
Prometheus - An open-source systems monitoring and alerting toolkit.