Auto Merge for Microsoft Dynamics CRM 2011

http://www.mscrm-addons.com/Products/AddonsforMSCRM2011/AutoMergeforMSCRM2011/tabid/169/Default.aspx

Workflow Automation for Dynamics CRM 2011

http://workflowautomation.codeplex.com/

CRM 2011 Workflow Utilities

http://crm2011workflowutils.codeplex.com/

CRM Workflow Manipulation Library

http://manipulationlibrary.codeplex.com/

CRM Distribute Workflow Activity

For Dynamics CRM 2011: http://crm2011distributewf.codeplex.com/

For Dynamics CRM 4.0: http://crm40distributewf.codeplex.com/

This plugin allows to execute a workflow for each entity that has a 1:N or N:N relationship to a given entity, meaning scenarios such as updating the child records based on a parent record update event.

Marketing List Manager

http://crmaccelerators.net/products/add-to-marketing-list/

CRM Configuration Manager

http://blog.halan.se/post/CRM-Configuration-Manager.aspx