Transparent Classroom is a free Android app developed by Transparent Classroom, designed to assist Montessori guides in online record-keeping and lesson planning. The app aims to provide an easy way for teachers to take and upload photos, view classroom activities, and record concentration/work curve data.

The app also offers features for parents to stay informed about their child's progress. Parents can use the app to view notes and photos of their child, and receive notifications when new ones are published. Overall, Transparent Classroom is a useful tool for Montessori guides and parents to stay connected and up-to-date on classroom activities and progress.