How to join results from one MySQL table while counting matching records in another table and sorting the result according to the count of the 2nd table using PHP.

A petite library of essential encryption functions for PHP 5.3 - 7.1. Block ciphers, stream ciphers, Rivest's ciphers, key derivation, time-safe string comparison and secure random byte generation.

Create dynamic XSPF playlists based on ID3 tags in MP3 files. The zip package contains everything you need to get started. Move this folder out to your website root, and upload your MP3s.

Mibew Messenger is an open source live support application written in PHP and MySQL. It enables one-on-one chat assistance in real-time directly from your website.

Subrion is a PHP/MySQL based CMS and framework that allows you to build websites for any purpose. From blog to corporate mega portal. Many free templates and premium scripts available.

A PHP comment system intended as a replacement for services like Disqus. HashOver is free and open source software and is a self-hosted system and allows completely anonymous comments to be posted.

Opulence is a PHP web application framework that simplifies the creating and maintaining of a secure, scaleable web site. Things like database management, caching, ORM, page templates and routing are a cinch.

A popular general purpose HTML-embedded scripting language that is especially suited for Web development. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP specific features.

Elgg is an award-winning open source social networking engine that provides a robust framework on which to build all kinds of social environments.

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.