A huge list of PHP open-source libraries to build your awesome PHP applications

In a previous blog article about RAD (Rapid Application Development) , I have explained quite a few benefits about the reason of RAD. Since the article was published, I was being asked with a lot questions about how to quickly develop a prototype PHP web applications with minimal development. Well, here comes the short list of ready-to-use PHP libraries that will definitely speed up your PHP application development. And those are the classes, frameworks, libraries that I've used in the PHP applications that I've developed for my clients. blueimp/jQuery-File-Upload - File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery. Supports cross-domain, chunked and resumable file uploads. Works with any server-side platform (Google App Engine, PHP, Python, Ruby on Rails, Java, etc.) that supports standard HTML form file uploads. PHPMailer/PHPMailer - The classic email sending library for PHP...