Tennibot - Roomba for picking up your tennis balls
Img.vision - Image hosting & video hosting for eCommerce sellers
LawnGuru - Get your lawn mowed on demand
UploadHouse - Thumbnail and resize your photos and images
Google Forms - Simple web forms from Google.
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.