Flask is a lightweight WSGI web application framework. It is designed to make getting started quick and easy, with the ability to scale up to complex applications. Classified as a microframework, Flask is written in Python and it does not require particular tools or libraries. It has no database abstraction layer, form validation, or any other components where pre-existing third-party libraries provide common functions.
AdminLTE is a popular open-source template for admin dashboards and control panels. It is a responsive HTML template that is based on the Bootstrap CSS framework. It utilizes all of the Bootstrap components in its design and re-styles many commonly used plugins to create a consistent design that can be used as a user interface for backend applications. AdminLTE is based on a modular design, which allows it to be easily customized and built upon.