With the WordPress plugin Admin Toolbar Menus you can add your own links to the WordPress toolbar. This allows you to expand the toolbar with convenient quick links to important pages in the admin area and frontend. Shortcuts to external websites are also no problem.
With the WordPress Shariff Wrapper Plugin, you can easily integrate share buttons into your website for sharing content without any code. The buttons can be displayed via shortcode, as a widget or automatically in the content. In addition to a variety of options, share counts are also supported as a feature.
With the Easy Updates Manager plugin you can manage the different types of WordPress updates in your backend and configure the automatic WordPress updates. This gives you full control over all updates and, if you wish, you can have them recorded in log files.
With Health Check you get the most important information about your website and you can see immediately whether your WordPress configuration has any problems. A number of tools make WordPress troubleshooting easier and help you find problematic plugins.
With a WordPress lightbox plugin you can better display images and videos in your WordPress website and present them with a popup in a larger resolution. My personal favorite and a plug-in I like to recommend is WP Featherlight.
Blank Slate is a simple WordPress plugin that gives you an additional page template to display a WordPress page without a header or footer. The plugin is particularly suitable in combination with a page builder for creating a landing page.