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admidio
Admidio is a free open source user management system for websites of organizations and groups. The system has a flexible role model so that it’s possible to reflect the structure and permissions of your organization.
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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'm assuming "shop function" your looking for some sort of storefront? That may be the tough requirement, but I was looking at https://www.admidio.org/ for a localhomeschool group. They're just working out if they want something that structured or something more like a humhub social platform.
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.