Open Source PHP Compilers

php2desktop gives developers the ability to create content rich native Windows GUI applications using web technologies they're familiar with. Zero C language knowledge is necessary, simply copy your web files into the www directory and run by opening the .exe file. In a way, php2desktop is a PHP to exe compiler without the headache of running commands. php2desktop is an out-of-the-box solution that comes pre-built with PHP 8 and a Chromium 114 embedded browser; combine with the power of JavaScript, SQLite, HTML5 & CSS3 and you'll be making native desktop applications as easy as building a web application. Connect to APIs for interactive applications. Use your favourite framework such as Bootstrap or Laravel and change nothing about your workflow ... Your imagination's your only limit.

PHP4Mono is a compiler that enables Mono to run PHP code. It translates PHP scripts to Common Intermediate Language (CIL). Like that PHP scripts can be executed as console applications on Mono. You can even build GUIs directly from within a PHP script!

Silis OS is a online based operating system which will allow users to access their files and programs from any where in the world.

Introducing full-featured PHP 5.4 runtime & compiler for .NET/Mono frameworks. Phalanger is an open-source implementation of PHP, compatible with the vast array of existing PHP code. In addition, Phalanger gives PHP application developers a lot of new possibilities; it improves the performance, allows them to use modern environments, and takes advantage of seamless .NET integration.

Php Lexer - converts .lex files into .php files (so you can tokenize files) used to be: a PHP compiler for the .NET CIL (but that's pretty dead now)