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Look at Propel2 ORM - https://github.com/propelorm/Propel2. It’s in beta, but built on stable 1.x.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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mailanes
Smart E-mail Delivery System (helps me manage subscribers to my blog and send them monthly newsletters)
Since I am not the inventor of this idea, I think it would be better to provide an example without any mispresentation from my side. Check this out: https://github.com/yegor256/mailanes/blob/master/objects/list.rb . A perfectly valid object which actually incapsulates DB operations.
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