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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.
Download Hub -- https://github.com/higan-emu/higan/releases
Website -- https://www.snes9x.com/ (Inactive)
The other suggestions are great for SNES, but you could also go for the gusto and grab OpenEmu for all your Mac emulation needs.
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.