That latter option takes some getting used to with all its quirks - pressing 'F12' dumps you to the main menu instead of taking a Steam screenshot - but the lineup of RPG Maker content on Steam is well worth the effort. And, of course, we have the wonder that is RPG Maker.
Supplementing that, others have developed original games in the old-school JRPG style. Thankfully, plenty of developers have kept and are keeping the classic JRPG spirit alive through re-releases of Japanese titles that didn't make it to the West back in the day. When we've finished our 200th playthrough of Lufia, it may be time to see what else is available on modern platforms like Steam. For pixel-art JRPG fanatics without an actual retro system, there are only so many times one can replay Chrono Trigger or Breath Of Fire on ZSNES or some other emulator.