Develop desktop GUI applications using PHP, HTML5, JavaScript
...The process of turning an existing website into a desktop application is basically a matter of copying it to the directory. In a certain sense phpdesktop acts as a PHP to EXEcompiler. It embeds a web browser, a multi-threaded web server and a PHP interpreter. All embedded into a single application, a portable folder that you can easily distribute to end-users by packing it to zip archive or by making an installer for your application. The web server embedded is a custom edition of Mongoose.
This is a Super Simple Java Editor written entirely in Java. It allows you to compile and run java programs in an mdi interface with syntax highlighting and easy commenting. Currently in suspended development. Available as a jar and an msi.