ManageWP - ManageWP is a service for bloggers, site owners and web based companies helping them manage multiple WordPress sites from one dashboard.
InfiniteWP - Manage unlimited https://alternativeto.net/software/wordpress/ sites from a central admin panel.
MainWP - A Free, Open-source, & Self-hosted one-stop solution to manage Unlimited WordPress websites from a single dashboard. MainWP is the only management plugin with 2000+ ⭐⭐⭐⭐⭐ reviews on WP.org
Siterack - Automated website maintenance for WordPress.
Dollie - A WordPress platform builder for entrepreneurs and businesses to create, manage, and monetize WordPress websites and applications.
WP Umbrella - The easiest way to manage multiple WordPress websites effortlessly.