Almost every plugin needs to have at least one page in the admin area to let
users customize how the plugin is used. In order to do this, you need to add
your own administration menu items. There are a bunch of WordPress functions
which let you do this:
The Capability Manager plugin provides a simple way to manage role
capabilities. Using it, you will be able to change the capabilities of any role,
add new roles, copy existing roles into new ones, and add new capabilities to
existing roles. You can also delegate capabilities management to other users. In
this case, some restrictions apply to this users, as them can only set/unset the
capabilities they have. With the Backup/Restore tool, you can save your Roles
and Capabilities before making changes and revert them if something goes
With User Role Editor WordPress plugin you can change user role (except
Administrator) capabilities easy, with a few clicks. Just turn on check boxes of
capabilities you wish to add to the selected role and click "Update" button to
save your changes. That's done. Add new roles and customize its capabilities
according to your needs, from scratch of as a copy of other existing role.
Adminimize is a powerful free plugin that lets you control who has power over
every aspect of your website. You can deactivate every possible option you can
think of and control what admin, editors, authors, contributors and subscribers
can do. The plugin automatically recognises any new user groups you have created
too. In short, it gives you complete control over what every user on your site
can and cannot do. It works well with a number of other popular plugins too and
is updated fairly regularly.
Lets you hide 'unnecessary' items from the WordPress backend.