In the Vinony graph
Vinony's link graph records 1 inbound reference to HGC, and connects out to Hercules Graphics Card and HGC.
Vinony links it to 7 Wikipedia language editions.
~1 min read
Encyclopedic overview
HGC can stand for: Harvard Glee Club Hercules Graphics Card HGC (field hockey), a Dutch field hockey club located in Wassenaar, South Holland on the border of The Hague HGC Global Communications, an internet service provider in Hong Kong H.O.C. Gazellen-Combinatie, a Dutch field hockey club Human Genetics Commission
Excerpted from Wikipedia’s “HGC” article, available under the CC BY-SA 4.0 licence.