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 Invoice Generator Print PDF order
Spree Simple CMS Create a CMS for Spree
Spree Payment Calculator Added a calculator for PaymentMethod for Spree
Spree Multi Slideshow Create a multiple slideshow for Spree
Spree Reviews Rating Basic review and ratings facility for Spree
Spree Banner Create a simple banner for Spree
Spree One Page Checkout Spree one page checkout implementation gem.
Spree Commentable Add comments/reviews for products in spree.
spree_simple_weight_calculator A shipping costs calculator based on total order weight
SPREE_SELF_DELIVERY Self delivery support