PHP libraries usable without a framework: a family of over 30 packages and the MVC framework Framework3 on top; the Lab is closed, the packages stay maintained.
What it does today
A family of over 30 PHP packages — Router, Database, Cache, Mailer, Socket and the rest — each usable standalone or together, all shipped through Composer/Packagist under MIT. Any PHP developer who wants the pieces without buying into a framework can install them today.
Open-Source PHP Composer PHPUnit