-
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.
3-What is Matrix If you want to use Matrix than I recommend using the Element Client as it's one of the easiest to use and has mobile and desktop clients.
And before some idiot says bullshit, Reddit is open source. https://github.com/reddit-archive/reddit
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.