The All in One WP Migration plugin has a free version on WordPress.org that lets you manually create a backup up to 512MB. If the restore is performed on a site with a different URL then it automatically does a search and replace update on the database. Premium extensions remove the 512MB limit and allow you to schedule backups to a number of cloud storage providers.
The WordPress Advanced Database Cleaner plugin cleans and optimizes your WordPress database. Remove old revisions, drafts, and transients as well as old options tables, and Chron jobs from plugins and themes that are no longer used. The pricing options are based on the number of sites and all of them include lifetime updates and support.
Advanced Custom Fields (ACF) provides a GUI for creating and assigning custom fields to your post types. More than 20 field types are supported. ACF Pro is the premium version of the ACF plugin in the WordPress.org repository. It adds repeater fields, flexible content fields, gallery fields and options pages. There is a single site and an unlimited site version. Both include lifetime updates.
Admin Page Spider is a utility plugin that adds menu items to the admin bar for posts and pages. There is a free version in the WordPress plugin directory. The Pro version also adds menu items for a number of popular plugins, such as Beaver Builder, Elementor, Microthemer, and more. There is a single site version that includes lifetime updates.
Themify has more than 40 themes and several plugins. All of the themes include a standard theme framework and the Themify Builder. The plugins include a stand-alone version of the builder, a plugin for creating custom post types, a tiles plugin, and more. The Lifetime Club includes all themes and plugins.
Elegant Themes is the creator of the multi-purpose Divi theme. It features a page builder, a front-end editor, and many customization options. Extra is a modern magazine style theme that is also actively updated. In addition to themes, members also gain access to a few plugins. The Divi Builder same page building plugin, the Monarch social sharing plugin, and the Bloom email opt-in plugin. Check out the Lifetime Access option.