globalquiz.org - Difficult, multiplayer and multi-language trivia game.
Hover Zoom - Enlarge thumbnails on mouse over.
HugeQuiz - test your knowledge with a variety of quizzes about everything.
Image Max URL - Help find larger or original versions of images, including a customizable image popup feature
JetPunk - JetPunk is the biggest online quiz platform that contains sports, geography, music, movies, and more regional or international information and database, created by H Brothers Inc.
Hover Zoom+ - Google Chrome extension for zooming images on mouse hover - extesy/hoverzoom