uCommerce 

Contains only core Ucommerce assemblies and can be used for extension development. If lower level abstraction access is necessary, use the "Ucommerce" package instead. To install Ucommerce into an existing website use the CMS-specific packages: "Ucommerce.Sitefinity" or... More information

Contains core Ucommerce assemblies alongside all dependencies. Can be used for extension development when a lower level abstraction access is necessary. Use the CMS-specific packages to install Ucommerce into an existing website: "Ucommerce.Sitefinity" or "Ucommerce.Umbraco8".

Installs Ucommerce in your Umbraco 7 project. For Umbraco 8 please refer to the "Ucommerce.Umbraco8" package.

Ucommerce for Kentico

Installs Ucommerce in your Umbraco 8 project. For Umbraco 7 please refer to the "uCommerce.Umbraco7" package.

Installs Ucommerce in your Sitefinity project.

Contains the core assemblies needed to build extensions for uConnector

Contains all files required by the Ucommerce Webforms backoffice.

Ucommerce for Sitefinity website widgets to implement a full e-commerce store on Sitefinity. Catalog browse, faceted navigation, and full checkout.

uConnector Express helps you develop and execute system integrations built for the uConnector platform.