Photo to cartoon effects converters:
befunky provides a free limited-functionality photo to cartoon converter that allows people to create some beautiful and creative pictures out of normal pictures into cartoon effects.
Bubblesnaps is allow you add speech bubbles to a picture, for instance, pictures here.
Cartoonatic is a free application for recording animated videos right on your iPhone or iPod touch.
Convert to Cartoon is a free web-based application that allows you to convert any photo and picture on cartoon effect.
Dumper is web-based photo to cartoon converter that offers you pencil sketch cartoons of your original pictures.
Image Embellisher is an online tool that can apply special effects to images.
Kuso Cartoon is free online photo to cartoon converter (beta) that offers you fast and simple way to convert photos to cartoon effects images.
Oddcast 3D PhotoFace technology allows you to create realistic 3D likenesses from a single uploaded image. See demo here.
Pho.to site offers a number of online services for photo editing, photo fun and sharing.
Zoom.it is a free service for viewing and sharing high-resolution imagery. It converts your image to the Deep Zoom format, which lets you smoothly and efficiently explore the whole image, no matter how large.