This year, Free
RPG Day is this Saturday, 25 June 2022 in North America, and 23 July 2022 for the rest of the world.
I flipped through the offerings and didn't see much that really caught my eye, other than a few of the terrain/minis pieces/sets.
Details at
Free RPG Day is June 25th, 2022 - Free RPG Day if you're curious!
Allan.