collective.documentviewer
https://pypi.python.org/pypi/collective.documentviewer/1.5.1
This package integrates documentcloud’s viewer and pdf processing into plone.
Example viewer: https://www.documentcloud.org/documents/19864-goldman-sachs-internal-emails
wildcard.foldercontents
https://pypi.python.org/pypi/wildcard.foldercontents
better folder contents implementation
Introduction
This package is developed by Wildcard Corp. to integrate better file upload, sorting and folder_contents view in general to Plone.