1. Spree socialBuilding block for spree social networking features (provides authentication and account linkage)
18. spree product groupsExtension to Spree featuring Product Groups that were originally part of core prior to 1.1 release.
20. spree-multi-domainMultiple Spree stores on different domains - single unified backed for processing orders
24. spree commentsAdd commenting to orders / shipments / etc ... based completly of jderrett/spree-order-comments
30. spree globalizeAdds support for model translations (multi-language stores) using Globalize gem