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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
scale/web
It seems like you’re also asking about something that services HTTP requests. If so, I like to use ESPAsyncWebServer along with vanilla JS, HTML and CSS.
If you need it to run on the esp32 I'd recommend Svelte as a UI framework. Instead of having a large runtime, Svelte's power comes from being a compiler, giving you very low cost abstractions. It's as powerful as React or Preact with a different API and a vastly reduced size. For smaller apps it will be more performant as well given there's no virtual dom diffing algorithm between your actions and your updates.