php.net
The PHP Interpreter
The PHP QA Website
The www.php.net site
The PHP release management tools
YAML-1.1 parser and emitter
PHP presentations
The PHP Bugtracking System
The mailinglist frontend
The PECL website
Operator overloading for Objects
Bindings for the libssh2 library
The PHP GCOV system
PDO driver for IBM databases
Extension for IBM DB2 Universal Database, IBM Cloudscape, and Apache Derby
PHP Language Specification
The PHP Wiki Systems
The Karma Stuff
The Apache Solr PHP extension is an extremely fast, light-weight, feature-rich library that allows PHP applications to communicate easily and efficiently with Apache Solr server instances using an object-oriented API.
PHP presentation system
memcached extension
An extension to track progress of a file upload
LZF compression
The PHP Documentation Editor
Stomp Client Extension
Interface to the mcrypt library
PHD
Direct I/O functions
Libevent - event notification
tcpwrappers binding
