At some point in time, prom programmers were very proprietary and expensive.
Today, it's mostly a solved problem for the old chips (TL866 family + minipro[0]), but now chips tend to be soldered rather than socketed, without even some thought in the form of a nearby header.
So you'd need a clip for SOP8/WSON/whatever package used (they are cheap on aliexpress). Tigard[1] is a lovely, cheap, useful board for the interfacing.