I use quicktime player as a quick 'n dirty way to listen to individual mp3 files when I don't want to import them into my iTunes library. However, for the life of me, I wasn't able to find a way to create a playlist for quicktime player. While looking for info on such a feature, I came across a forum thread that mentioned this application. So I gave it a try.
Although it has been out of development since 2007, I can say it works just fine on OS X 10.6.8 and does have the ability to make playlists AND play them. It was also very straight forward to figure out how to use; was up and running in a minute.
Perhaps my ratings are overly positive, but I figure five-year-old abandonware deserves a bonus star in all categories.
And if anyone does know how to create a playlist of mp3 files for Quicktime Player, I am all ears/eyes.