Sociomantic (bought by Dunhumby, now defunct IIRC) had a realtime advertisement business built in D.
Weka have a realtime distributed filesystem written in D, used for ML/HPC workloads.
Weka have a realtime distributed filesystem written in D, used for ML/HPC workloads.
This https://github.com/weka ?
Most of the D repositories appear to have very little activity. The Go repositories seem to have more activity.
An example of Weka talking about how they use D (there are more examples at this and other dconf presentations): https://www.youtube.com/live/Ou4KUBjr_78?si=bPOs-19gPemQe_ap...