1. Flask MenuFlask-Menu is a Flask extension that adds support for generating menus.
3. Flask IiifFlask-IIIF is permitting easy integration with the International Image Interoperability Framework (IIIF) API standards.
4. IdutilsSmall Python library to validate persistent identifiers used in scholarly communication.
5. DictdifferDictdiffer is a module that helps you to diff and patch dictionaries.
7. pynpmPython interface to your NPM and package.json.
8. flask-breadcrumbsFlask-Breadcrumbs is a Flask extension that adds support for generating site breadcrumb navigation.
9. intbitsetPython C-based extension implementing fast integer bit sets. Likely one of the fastests.