Laravel - A PHP Framework For Web Artisans
Img.vision - Image hosting & video hosting for eCommerce sellers
CodeIgniter - A Fully Baked PHP Framework
BeeIMG - BeeIMG is a simple, fast, easy image sharing solution created to fill up your image sharing needs.
Yii Framework - Yii is a high-performance component-based PHP framework best for Web 2.0 development.
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.