One-parting some Commodore 64 utilities for fun and profit

I've got a few retrocomputing bucket list items I'm slowly working down, and a couple of them involve some little Commodore 64 games I've had kicking around on the backburner. However, every game needs media assets, and while there are many great tools for doing art on your present-day workstation and exporting it, sometimes you just want what you used to work with — in as convenient and quick-loading a way as possible that blends with modern emulation workflows. So here's two I tweaked and one-parted — Ultrafont+ and DOODLE! — and some tips for doing that yourself.