wp-project-manager by weDevsOfficial

Order your pages and other hierarchical post types with simple drag and drop right from the standard page list. Maintained by 10up on GitHub, where it has earned 156 stars from the community.

Nebula is a WordPress theme framework that focuses on enhancing development. The core features of Nebula make it a powerful tool for designing, developing, and analyzing WordPress websites consistently, yet its deliberately uncomplicated code syntax also serves as a learning resource for programmers themselves. Maintained by chrisblakley on GitHub, where it has earned 144 stars from the community.

The MainWP Dashboard is an open source self-hosted WordPress management plugin that allows you to maintain virtually all aspects of multiple WordPress sites. Maintained by mainwp on GitHub, where it has earned 501 stars from the community.