Somewhat quiet end to 2019, but a number of PWYW items, so there's that.
Solar Sanctuary of the Cannibal Corpse - So a ghoul, then? 1st to 3rd level (presumably B/X) characters, 44 pages and $6
The Dungeon of Kursh Velgont - About a floating dungeon. Air that is, not water. 16 page S&W adventure, no levels given. PWYW
Epic Legends Basic Rules Cyclopedia - Not sure how OSR-ish this is. 46 pages, PWYW
Machine Gunner Class - For Operation White Box, the WW2 game. PWYW
Echoes from Fomalhaut #6 - New issue of Gabor Lux's excellent zine. 45 pages, $6
Illustrations from the Dictionnaire Infernal - Usually I frown on collections of public domain art being "sold" on DTRPG, but this is PWYW