Packagist is the main Composer repository. It aggregates public PHP packages installable with Composer.
Automatically add rel=nofollow to links in HTML, using PHP
A PHP class for manipulating a directory on a filesystem
A really simple PHP class for creating HTML elements
A PHP library for building web application manifests
A PHP class for managing meta tags
A PHP library for writing feeds; e.g. RSS
A PHP library for parsing podcast feeds
A PHP library for validating podcast feeds
A PHP package for taking website screenshots using PhantomJS
A PHP library for managing and generating sitemaps
A PHP class for generating static maps.
Some miscellaneous string utilities for PHP
A library for replacing tokens in strings
A PHP library for transliterating strings