Apermo AdminBar

Feel free to add more, there are other plugins that do so. Or have a look at wp_admin_css_color() in the WordPress Codex

Yes, you can. Simply add and alter the following example somewhere to the functions.php of your theme

add_filter( 'apermo-adminbar-sites', 'sites_filter' ); function sites_filter( $sites ) { $sites['dev']['url'] = 'http://dev.your-site.tld'; $sites['dev']['whitelist'] = array( 1,42 ); $sites['staging']['url'] = 'http://staging.your-site.tld'; $sites['live']['url'] = 'https://www.your-site.tld'; return $sites; }

Yes, you can use the filter add_filter( 'apermo-adminbar-sites', 'sites_filter' ); with the option whitelist to allow access to the corresponding site only for the whitelisted user ids. An option for this might be added in the future.

Yes, use add_filter( 'apermo-adminbar-caps', 'sites_filter' ); and just return the desired capability.

The simplest way is to use add_filter( 'apermo-adminbar-watermark', function( $bool ) { return false; } ); and turn the feature off.

The simplest way is to use add_filter( 'apermo-adminbar-statusbox', function( $bool ) { return false; } ); and turn the feature off.

The simplest way is to use add_filter( 'apermo-adminbar-keycodes', function( $bool ) { return false; } ); and turn the feature off.

Head over to the GitHub Repository and start reading. Every bit of help is highly appreciated!