In no particular order, this is free stuff I've found on Discord, or browsing itch.io, or from Thinky Games. If it's not free now, sorry - it was when I got it. See also:
And of course, BABA is HERE: https://hempuli.itch.io/
Talo Pipi 2 https://www.puzzlescript.net/play.html?p=5805437b87cc98f42e0698e40df54929
History of the Velsokomagnet https://www.puzzlescript.net/play.html?p=458ac36579dda092d8760585f08da80c
Tortoise Truck https://www.newgrounds.com/portal/view/982657
Sokoyote https://david-pfx.github.io/PuzzleScriptNext/src/play.html?p=55e79bd1a2a9b874a85...
Looking for some good Lights-Out style puzzles btw...