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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.
Search for free website editors. It depends on what features you want for your site. Mobirise free might be enough - https://mobirise.com/ - but you'd have to pay for the frills. Coffee up is easy.
I really recommend podcast generator. As for a website, I would recommend using ghost as a blogging platform on the pi or Hugo static website generator with the castanet theme. You can host the website on GitHub or git lab and use your own domain.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.