This module is for uploading documents to specific node type, and then process uploaded files (word, excel, powerpoint,pdf,rtf,txt) and show an image preview of the attached files and also indicate how many words each document have.
For server side it shouldn’t use any commercial software, everything should be based on popular and active OpenSource software.
The solution should be scalable and optimizes and comply with Drupal security guide lines.
This module if for Drupal 7 with private file system setup. Each uploaded file needs to be accessible for the node user and site admin.