Duotone - Convert any photo to a duotone in seconds
Zombocam - Filters and effects for your webcam
Photo + Music = Video - Photo + Music = Video (also known as Video Slideshow Editor) developed by Manas Hive.
Dreamscope - Make and share 'deep dream' images using dozens of supplied styles or your own.
EditedImages - The web's best photoshopped images
And Then I Was Like - Express yourself with GIFs using your webcam