Dynamics CRM 2011 Solution Import and Export Tool
This is a utility to enable CRM Developers to automate the process of exporting and importing CRM solutions from one environment to another.
It has several options, you can
1. Export as managed or unmanged
2. Import as unmanaged (import as managed is not implemented)
3. Publish all customizations in target environment.
No support for CRM Online just yet, but it's coming...
For all information on how to use is, please refer to my blog post