PDFKeeper is free, open source document management software that integrates with a compatible, relational database to provide a centralized storage and management solution for PDF documents.

SimpleDocs is described as 'Easy to use online document storage and sharing system designed for companies, organisations, mutual interest groups, and anyone who wants to manage working and archive documents online with ease' and is a document manager in the file sharing category. There are six alternatives to SimpleDocs, not only websites but also apps for a variety of platforms, including Windows, Linux, Mac and BSD apps. The best SimpleDocs alternative is PDFKeeper, which is both free and Open Source. Other great sites and apps similar to SimpleDocs are DocMGR, Netdocuments, Digital Storage Manager and eBridge Solutions.
PDFKeeper is free, open source document management software that integrates with a compatible, relational database to provide a centralized storage and management solution for PDF documents.

DocMGR is a complete, web-based Document Management System (DMS). It allows for the storage of any file type, and supports full-text indexing of the most popular document formats. DocMGR runs on PHP, the Apache webserver, and Postgresql.

Online document management where you can organize and store all your organizations documents in one secure location in the cloud. Create, open, edit and save documents directly from your desktop applications as you do today.



Document Management: Digital Asset Management and Storage
Automatically organize and find your files, emails, and scanned documents with the automated tools in Digital Storage Manager. Powerful search capabilities mean that staff can easily find prior artwork, customer job file.
eBridge Solutions is the fastest, most affordable way to take control of your document management challenges. Store paper and electronic documents online in an organized manner. Pricing starts at $150 a month for unlimited users and includes OCR, customer support and a back-up...
Secure, cloud-based document management and storage built for the unique security, compliance, and workflow needs of business professionals.