Composer

Luya is a scalable web framework and content management system. It provides an integrated deployment process that lets you publish your projects to different stages and servers. Needs composer and uses the Yii 2 PHP Framework.

UserFrosting is a PHP web framework that offers a complete toolbox of programmatic components for building your application and includes a fully functioning user management application.

Flarum is the next-generation forum software that makes online discussion fun. Simple, fast and free. Composer required.

A Laravel package to manage versions of endpoints in an elegant way. 2 versions: you can use version Middleware and version Statement together in one project.

Composer is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you.

From simple to sophisticated, Grav open source CMS has the flexibility to power all sorts of web sites. Flexible content structure and powerful Twig templating allow easy realization of any design.