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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.
I've been contributing to this project, it's a decentralized and open source search engine that is very community-driven. Presearch's Team and it's CEO are VERY transparent, conducting weekly updates on youtube. Their goal is to become non-profit as part of their roadmap, once their search engine becomes self-sustainable. It's growing very quickly and as i said, they recently started working on community packages so users can contribute (similar to what DuckDuckGo did with duckduckhack.com). Presearch will be fully decentralized by the end of this year, and they are also in the process of open sourcing the engine. So everything is more of work-in-progress. They are also in the middle of UI-redesign to make it look more modern.