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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.
If you use SQL at all, check out SQlFluff: https://github.com/alanmcruickshank/sqlfluff
Also, if you’ve ever used the REDCap software before, check out PyCap: https://github.com/redcap-tools/PyCap it’s a wrapper for the REDCap API
u/kaerfkeerg's recommendation is the best general advice -- but you might take a look at SpiffWorkflow, an open source library that allows novice programmers and BA's to contribute directly to major software projects. It's smaller, lesser known project, but fully open source with lots of oppertunity to make important contributions.