Stigg - The first pricing & packaging API built for SaaS
Img.vision - Image hosting & video hosting for eCommerce sellers
Launch Stack - Build SaaS Web Application faster
UploadHouse - Thumbnail and resize your photos and images
Rootspace - Open source productivity SaaS app
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.