Clearbricks : No, Clearbricks is not yet another framework. Clearbricks is not cool at all and does not even have a nice website. It won't make you smart neither ha...
TCPDF : TCPDF is a FLOSS PHP class for generating PDF documents.
Pimple : Pimple is a small Dependency Injection Container for PHP 5.3 that consists of just one file and one class (about 50 lines of code).
Mockery : Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal...
HTML Purifier : HTML Purifier is a standards-compliant HTML filter library written in PHP. HTML Purifier will not only remove all malicious code (better known as XSS)...
Provides functionality to perform syntax highlighting for different file formats.