This is a discussion topic for the Ore project, AmberShop. View the full project on Ore for downloads and more information.
A QuickShop-like trading plugin.
Use EpicBanItem 0.3.2+ for item blacklist.
AmberShop uses bStats to collect anonymous data, which can be disabled in
config/bstats/config.conf. All data collected can be found at https://bstats.org/plugin/sponge/AmberShop.