Have you dreamt of inventing your own language and seeing it come alive in real time? Are you a teacher who wants to make grammar interactive and colorful for your students? Are you a computer scientist or linguist who wants to play around with grammars and parsing to gain intuition? This is the app for you. Design your own context-free grammar on the go. See it converted to Chomsky normal form before your eyes. Type in text and immediately see if it belongs to the language generated by your grammar. An immersive creative and educational tool in the palm of your hands! Bonus: email grammars to friends and convert them to PDF!