Pre : Pre is a PHP preprocessor, designed to make adding new syntax effortless. It's also a collection of pre-built macros, which we use because they make o...
Hack : Hack is a programming language for HHVM. Hack reconciles the fast development cycle of a dynamically typed language with the discipline provided by st...
Fat-Free Framework : A powerful yet easy-to-use PHP micro-framework designed to help you build dynamic and robust Web applications - fast!
PsySH : A runtime developer console, interactive debugger and REPL for PHP. PsySH can be used as an interactive debugger, much like JavaScript's debugger sta...
aXe : Automated tool to find Accessibility defects on your web site by using the aXe Chrome extension. Drop the aXe on your accessibility defects! We believ...
Zephir, an open source, high-level/domain specific language designed to ease the creation and maintainability of extensions for PHP with a focus on type and memory safety.