ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!
Icons8 Background Remover - Quickly remove the background from any photo
IMG.LY - Power Your Apps with IMG.LY | The Leading Provider of Design, Photo, and Video Editing SDKs
Trace by Sticker Mule - Remove the background from any image for free
Edit My Ex - Remove your ex from photos
Bg Eraser - Background Eraser on Mac and Windows.