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 essential cms 1.3 Spree Essential CMS for spree 1.3.x
Spree Simple CMS Create a CMS for Spree
spree_crux Spree_Crux is the extension of spree CMS.
Spree CMS A CMS / Blog for Spree
spree_essential_menus The extension closely cooperates with citrus/spree_essential_cms. It allows you to organize menus in you Spree app. Both extensions together opens possibility to have a fully customizeable CMS with pages, picutres and attachments in you app.
Alchemy Spree Integrates Spree into Alchemy CMS
Spree Essentials Spree Essentials is a base for content related extensions.
Spree Essential CMS A robust CMS for Spree Commerce.
Spree Pages A very simple page CMS
Xpress-Cms XpressCms - CMS with support Liquid markup language