Free buy orders for Paper and Folia 1.20.1–26.3: post what you want, and other players deliver it and get paid instantly.
In-game screenshot: The board: buyer, price, progress and time left
In-game screenshot: Book orders show the enchantment
In-game screenshot: Five sorts
In-game screenshot: Nine categories
In-game screenshot: The delivery menu, filled from the inventory, shulker box included