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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.
No but there are open-source engine ports, you only need the content packs (wad) to play it with those. Doom 3 is open source tho, they violated some licenses or something and released the source a couple of years ago (https://github.com/id-Software/DOOM-3)
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