ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!
Img.vision - Image hosting & video hosting for eCommerce sellers
Bg Eraser - Background Eraser on Mac and Windows.
UploadHouse - Thumbnail and resize your photos and images
Hyper Headshots - Hyper Headshots is a cloud-based web app that allows you to convert photos into beautiful and professional headshots with ease.
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.