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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.
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Gymnasium
An API standard for single-agent reinforcement learning environments, with popular reference environments and related utilities (formerly Gym)
There's quite a few from what I've found over the years. I can't verify the actual licenses they're released under but some of the notable ones are: https://github.com/aleju/mario-ai - AI learns to play Super Mario World
https://github.com/amacati/SoulsGym - AI learns to play Dark Souls 3
https://github.com/Farama-Foundation/Gymnasium - A framework Python library to build and train your own AI to play games