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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.
Give FormTools a try. I've been using it with forms embedded in a website, but I believe it also lets you generate forms directly within the software.
I use Form.io
NOTE:
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Hence, a higher number means a more popular project.