Tripadvisor - The Tripadvisor mobile app is available for the Android and iOS platforms. It can be used to create reviews of hotels, restaurants, and to chat with other travelers on Tripadvisor forums.
Img.vision - Image hosting & video hosting for eCommerce sellers
TheBesty - Your Personal Travel Assistant in Latin America
UploadHouse - Thumbnail and resize your photos and images
Wikivoyage - the free worldwide travel guide that anyone can edit.
ImageVenue - ImageVenue is a great online hosting service that allows uploading pictures for showing creative works with a simple-to-use technique.