Google Drive - Access and sync your files anywhere
Mayan EDMS - Document management without the headaches.
Sohodox - SOHODOX is the simplest document management system for small businesses. With SOHODOX, small businesses can themselves more efficient by creating a central
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Google Forms - Simple web forms from Google.
SeedDMS - SeedDMS is an open source document management system based on PHP and MySQL.