Yandex.Images - search for images on the internet, search by image
Flashgap - Time-delayed photo-sharing app of last night's embarrassment
lingvist.info - News & Books
Bobby - Keep track of your subscriptions
Image Search Options - Download Image Search Options for Firefox. Image Search Options provides a set of highly customizable reverse image search context menu options.
Rich Kids - Photo sharing app where users pay $1000/mo to share