InfluxData - Scalable datastore for metrics, events, and real-time analytics.
D3.js - D3.js is a JavaScript library for manipulating documents based on data. D3 helps you bring data to life using HTML, SVG, and CSS.
TimescaleDB - TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.
Chart.js - Easy, object oriented client side graphs for designers and developers.
Prometheus - An open-source systems monitoring and alerting toolkit.
Google Charts - Interactive charts for browsers and mobile devices.