It's easy to extend Spree by writing your own extension. There are already over one hundred third party extensions listed in our official registry.
spree-multi-currency multi-currency support
Email to Friend Extension to send product recommendations to friends
Spree Wholesale Spree Wholesale adds a wholesale_price field to variants and allows users with a "wholesaler" role to access these prices.
Spree Mail Spree Mail is a complete email marketing extension for Spree.
spree-homepager Spree extension that creates a homepage and enables a shop owner to place products on that homepage.
Spree Multi Domain Adds multiple site support to Spree
Product Translations Enables locale-based translations of all user-facing product data using Globalize3
Spree Address Book Adds address book for users to Spree
Static Content Extention to manage the static pages for your spree shop
Simple Product Translations Adds an intuitive way to translate product details in the backend