Packagist is the main Composer repository. It aggregates public PHP packages installable with Composer.
A Guzzle PSR-18 adapter
OEmbed is a PHP library to assist you retrieving data from providers that supports OEmbed.
A PHP wrapper for Cloudflare AMP validator
A PHP Port of Legofy
A Simple and efficient PHP Video URL Parser that gives you thumbnails and embed codes for various services as Youtube, Vimeo, DailyMotion and Facebook
Abandoned! See ricardofiorani/oembed