TinyMCE is a project mainly written in PHP and JAVASCRIPT, based on the View license.
NOLOH TinyMCE Nodule
Live Examples: http://www.noloh.com/NOLOH/Nodules/TinyMCE/Example/Example1.php - Basic http://www.noloh.com/NOLOH/Nodules/TinyMCE/Example/Example2.php - Advanced + Custom Toolbar http://www.noloh.com/NOLOH/Nodules/TinyMCE/Example/Example3.php - Basic Blog Like Commenting