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apps-android-commons
The Wikimedia Commons Android app allows users to upload pictures from their Android phone/tablet to Wikimedia Commons
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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 just had a look into the commons app on fdroid https://f-droid.org/packages/fr.free.nrw.commons/ with the homepage being https://commons-app.github.io/ .
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.