There are 2 repositories under psr-4 topic.
⚡ Flat-files and plain-old PHP functions rockin'on as a set of general purpose high-level abstractions.
An extremely fast web scraper that parses megabytes of invalid HTML in a blink of an eye. PHP5.3+, no dependencies.
Full blown refactor of JpGraph v3.5. Distant cousin of current official package
CodeIgniter 3 PSR-4 Autoloader for Application
An effective,fast,stable log package for PHP.
A PHP autoloader class that follows the WordPress coding standards applying PSR-4 specification
A simple modular CMS optimized for SEO based on Slim v4
[READ-ONLY] PHP_CodeSniffer sniff that checks class name matches PSR-4 project structure.
WordPress-magic-boilerplate
JikanAuth is a PHP API for MyAnimeList.net. It allows you to login and manage your anime and manga lists.
Framework for quick PHP WEB, API and Console App development *scaffolds and generators included.
A modern way of building WordPress plugins.
A PHP framework from scratch - A very simple applicationin PHP with MVC and good features
free as in freedom simple object oriented curl request and response component (YACC - yet another curl component)
Make your PHP command-line application colorful.
An implementation targeting high performance for frequently reading/writing operations for multi-byte string.
Telegram-Bot-PHP is a PHP library for interacting with the official Telegram Bot API
Doctrine DBAL helper for bulk data imports in MySQL and other stuff.
A longest sequence matcher. The logic is primarily based on the Python difflib package.