Icons8 Background Remover - Quickly remove the background from any photo
Online Image Editor - Online editor for images and animated gifs with multiple effects and tools
remove.bg - Remove the background of any image 100% automatically
Pixelitor - Pixelitor is a cross-platform raster graphics editor written in Java.
ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!
Beautify - GIMP Beautify is a set of GIMP plug-ins for quickly and easily beautify photo.