Adds Free market which works with any chest. Customizable, plain. Sell/buy items from other teams. You want more fair market with players than "Black Market"? You found what you were looking for. UPS friendly+, it works with any mod. Anyone can translate the mod on Crowdin. https://crowdin.com/project/factorio-mods-localization Free market + bottomless storage: https://mods.factorio.com/mod/iFreeMarket
Mods introducing new content into the game.