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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.
Foobar with foo_openlyrics. It can find lyrics for you from various sources (Musixmatch, NetEase, QQ, etc). Or if you already have the lrc files you can set "local files" at the top of the search order so when it starts the search it'll see the files and just embed them to the tags.
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.