Resources by MarkFL
Allows you to designate profile fields as deciding which primary usergroup a user will be assigned.
User Postbit Choice
2.0.1
Allows your users to choose between classic and legacy style postbits.
Allows you to select elements of the user postbits which will match username HTML markup.
Adds username HTML markup associated with usergroups to threadbits.
Allows you to designate forums by forumid where posting is restricted based on post count.
Allows you to designate usergroups who can only PM certain other usergroups.
Allows you to designate forums in which all threads in child forums will be displayed.
Allows you to select usergroups who will have access to advanced poll voting permission options.
Custom Toolbar
1.1.1
Allows you to select which of the default editor toolbar buttons will be removed from the toolbar.
Quote Breaker
1.3.1
Adds a button to the bottom of your ckeditor that allows for easily breaking quotes.
Allows you to define what characters will be permitted in thread/post titles using regex.
Allows you to set all vB (and many 3rd party) notifications as animated icons.
Allows you to prevent your users from using some commonly seen post formatting practices.
Allows you to select usergroups that will see a greater number of reputation comments in their UCP.
Gives you extensive control over your reputation system.
Allows you to designate forums on your site in which voting is allowed on polls in closed threads.
Enhanced Thread Preview
1.2.1
Allows you to designate areas where the preview will contain a truncated version of the last post.
Thread Notes
1.5
Allows you to select usergroups/users who can make notes concerning threads.
Allows for the tagging of Bible verse/chapter references.