There are 2 repositories under notion-export topic.
Automatic Notion workspace backup to Google Drive, Dropbox, pCloud, Nextcloud or to your local machine.
notion web scraper
Notion Markdown Exporter
CmdLine tool to backup and restore Notion workspace (Work in Progress)
convert your exports of notion exports from light themed to dark themed
A very-very-very simple frontend to serve Notion export as a standalone website