Dataforge is an fledgling independent, hybrid shell provider/tilde server operated by Wesley Banderia (aka; praetor) of Fort Worth, Texas. While it's core mission is to provide services to retrocomputing enthusiasts, it serves as a home for anyone. Dataforge is hosted on a fleet of Silicon Graphics machines, its primary tilde host is running on an SGI Challenge S. Dataforge UUCP, however, is running on a Google Cloud VPS for purposes of reliability and fault tolerance.

A group of telephony hobbyists who restore and maintain old equipment. They figure out how to get their gear VoIP-enabled and built their own PSTN on top of the Net by hooking everything together. It's pretty serious, plus they document their work pretty well.