Free Add-ons
Lockout
Conditional lockout and notifications.
Select User Roles
Apply customize for selected user roles on My WP.
Add Site Auto
Automatically add multi-sites to a network.
Announce
Announce admin dashboard for all users.
Console
Debug to browser console on My WP Customize.
WPAUC Importer
Import customize settings from WP Admin UI Customize to My WP Customize.
Thirdparty Add-ons
Advanced Custom Fields
Disable Fields Customize.
WPML
All Posts column header.
WPS Hide Login
Custom login page customize.
Premium Add-ons
Share Customize Multisite
My WP customize share on multisite.
User Role Based
Allow setting My WP for user role based.