Use the Collaboration Manager – for free 

The Collaboration Manager Free Plan includes the same features as the SharePoint Standard site provisioning engine.
However, the complete architecture is based on site collections.

active workspacesUp to 15 active workspacesapproval processWorkspace approval process
50 usersUp to 50 userscustom request formCustom request form
unlimited number of templatesUnlimited number of templatesmapping users and groupsMapping Users and Groups
copy site objectsCopy Site Objectsitem level securityWorkspace item level security
copy contentCopy SharePoint Contentexport and import of templatesExport / Import of templates