Each plugin consists of a sample configuration with explanation about init-params and how to use these plugins:
This plugin is used to register the external resource bundle for the internationalized activity type.
This plugin provides the identity for a space.
This plugin allows creating a link to a user profile when the user is mentioned in the activity content.
This plugin renders valid HTML tags appearing in the Activity body (content).
This plugin is used to configure the list of portlet names which will have portlet preference of space context.
This plugin is used to process activities and comments related to changes on the users' profiles.
This plugin is used to process activities and comments related to changes on the relationship between two users.
This plugin is used to manage ChromatticSession in the Social project.
This plugin is used to process activities and comments related to spaces, such as creating spaces, editing space information, users joining/leaving spaces, or granting/removing the "manager" role of the spaces.
This plugin is used to configure the default applications when creating a new space.
This plugin uses the value in the template parameter of the activity and replaces the title and body of the activity with the template parameter of this activity.
This plugin converts all the URLs in the activity into the hyperlinks.
How to configure the 2-legged OAuth scenario in OpenSocial.