Water Cooler Trivia - Weekly office trivia quizzes for you and your co-workers 🎯
rubular - A ruby based regular expression editor
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
RegExr - RegExr.com is an online tool to learn, build, and test Regular Expressions.
CoffeeRun - Let everyone enter their order for coffee runs
RegEx Generator - RegEx Generator is a simple-to-use application that comes with the brilliance of intuitive regex and is also helping you out to test the regex.