device_tracker

https://github.com/bbc/device-tracker

Keep track of your devices. Features: - User registration/login/validation - User levels (normal/admin) - Checkout devices - Return devices - Assign devices to someone (Admin only) - Validate a user (Admin only) - Search devices - Keep track of number of times devices used - Manage OS versions - Send reminders when devices have been out for period of time - Password reset