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lxd
Discontinued Powerful system container and virtual machine manager [Moved to: https://github.com/canonical/lxd] (by lxc)
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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 don't know if that's really a core difference from podman. Assuming I track your meaning Podman has GUI management as well and it can be made to integrate with system and can produce Kubernetes manifests from the pods you define locally.
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Hence, a higher number means a more popular project.