manager-server by t880216t

This is how I structure my large Flask applications. Maintained by JoMingyu on GitHub, where it has earned 117 stars from the community.

Porting Django's email implementation to your Flask applications. Maintained by waynerv on GitHub, where it has earned 128 stars from the community.

Class based views for Flask. Maintained by pallets-eco on GitHub, where it has earned 235 stars from the community.