PDF Fetch – is a search engine for finding PDF files. According to the site, it fetches PDF files, eBooks, digital publications, presentations and electronic documents. Simply type what kind of PDF file you are searching for, or choose one of the recommended “Top Searches” on the page. There are also Chrome and Firefox extensions.
MindCipher – is “a social repository of the world’s greatest brain teasers, logic puzzles and mental challenges”. Every puzzle is color-coded according to level of difficulty, as well as being tagged for easy searching. When you read a puzzle, you can click to see the solution, and finally the answer. You can also leave comments to discuss the puzzle with others.
Kahoot! – is a game-based classroom response system for schools, universities, and businesses. Ask thought-provoking questions which motivates participation through game-based learning and rewards in a social setting. Through a simple ‘drag & drop’ creator tool (using any device), build quizzes with embedded imagery and video, based on educational content. Or find public content to play.
Volafile – aims to provide a simple real-time filesharing service. Users share files in so called ‘rooms’, which each consist of a chat and a list of uploaded files. The list of files automatically shows new files as they are uploaded. There are two ways of uploading files: Click the button that says ‘Upload’ in the upper right of the page or just drag the files from your computer into the page.
Uploadcare – is a service that helps media creators, businesses and developers store, process and deliver visual content to their clients. Uploadcare allows you to
concentrate on generating content, not handling it. Creating and maintaining an upload / storage system can be frustrating and expensive. With Uploadcare, it’s as easy as two lines of code.