Fragment - A powerful image viewing suite with advanced metadata info
CodeLobster PHP Edition - CodeLobster - Free portable PHP IDE with support Drupal, Smarty, Twig, WordPress, Joomla, JQuery, CodeIgniter, HTML, CSS, JavaScript, AngularJS, CakePHP, Facebook, Laravel, Phalcon, Symfony, Yii
IrfanView - IrfanView ... one of the most popular viewers worldwide.
Rapid PHP - Rapid PHP editor is the world's fastest and lightest PHP IDE for Windows with code intelligence and tools for PHP, HTML, CSS, and JavaScript, including PHP debugger, FTP/SFTP client, UTF-8 support and more.
ImageGlass - You can use Image to view your digital images and photos of many different formats.
Coder - The Cloud IDE, Solved