WP Admin Pages Pro is a plugin that allows you to create admin pages for your clients using your page builder of choice. You can create a custom dashboard page and create your own dashboard widgets. You can also create top level admin menu pages as well as submenu pages. Limit access to your custom pages using WordPress roles. There is support for multisite. For advanced users there is the option to create content using PHP. The lifetime package is for unlimited domains, email support, and lifetime updates.