DHH launches something he says is Open Source but isn't. https://world.hey.com/dhh/fizzy-is-our-fun-modern-take-on-kanban-and-we-made-it-open-source-54ac41b6
Matt Mullenweg calls it false advertising: https://ma.tt/2025/12/dhh-open-source/
All this I learned from Dries Buytaert: https://dri.es/source-available-is-not-open-source-and-that-is-okay
