AnchorLink Creates a simple anchor link. 
JiraAttachmentLink Defines a link to a jira attachment. 
JiraIssueLink Defines a link for a link to another jira issue  
JiraIssueLinkRendererComponent This plugs into the wiki renderer framework to turn references to Jira issue keys into links to the actual issue. 
JiraLinkResolver The default implementation for Jira used to resolve wiki style links to things that Jira understands. 
JiraUserProfileLink Represents a link to a user's profile.