ShopSystem
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Gennario — Link with mc webstores, sales, conditions, menus & custom economy
CMI
By
Zrips — 280+ Commands/Insane Kits/Portals/Essentials/Economy/MySQL & SqLite/Much More!
Auction House
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Kiran — The most feature packed, up to date auction plugin on the market. 1.8-1.17 support in a single jar.