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mobile
Mobile app for Mergin Maps 📲. Open QGIS projects and manage vector data on your phone, even offline 📶 (Android/iOS/Windows app) (by MerginMaps)
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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.
With https://inputapp.io and an affordable GPS device (e.g. garmin glo 2 gps) you can get a decent accuracy (~2m). The app can pair up with external high-end GPS devices too and store meta data about accuracy, so at least you have an idea of how wrong your data are.
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.