Removal.ai - Create transparent background for any image using Removal.ai - The fastest, easy-to-use & free tool to automatically remove backgrounds online.
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
remove.bg - Remove the background of any image 100% automatically
TiddlyWiki - a non-linear personal web notebook
ClippingMagic.com - Remove image backgrounds online. Make backgrounds transparent, white, etc. Edit, crop, rotate, fix colors, add shadows, all you need for great photos!
Confluence - Confluence is content collaboration software that changes how modern teams work