flask-crontab by frostming

This extension provides an easy way to create plugins for your flask application. Maintained by sh4nks on GitHub, where it has earned 52 stars from the community.

A Flask extension with lots of common time-savers (file-serving, favicons, etc). Maintained by schedutron on GitHub, where it has earned 235 stars from the community.

An extension to add support of Plugin in Flask. Maintained by flask-plugin on GitHub, where it has earned 32 stars from the community.