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OpenKM vs PDF Stacks

Professional comparison and analysis to help you choose the right software solution for your needs.

OpenKM icon
OpenKM
PDF Stacks icon
PDF Stacks

OpenKM vs PDF Stacks: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature OpenKM PDF Stacks
Sugggest Score
Category Office & Productivity Office & Productivity
Pricing Open Source

Product Overview

OpenKM
OpenKM

Description: OpenKM is an open-source document management system for managing documents, images and files in an organization. It allows users to store, search, preview and collaborate on documents. It is lightweight and easy to install and configure.

Type: software

Pricing: Open Source

PDF Stacks
PDF Stacks

Description: PDF Stacks is a PDF management software that allows users to easily merge, split, organize and manage PDF documents. It has an intuitive interface and useful features like OCR, annotation tools, password protection and more.

Type: software

Key Features Comparison

OpenKM
OpenKM Features
  • Document management
  • Records management
  • Collaboration tools
  • Version control
  • Search engine
  • Access controls
  • Annotations
  • Workflows
PDF Stacks
PDF Stacks Features
  • Merge multiple PDF files
  • Split PDF files
  • Add or remove pages
  • Insert blank pages
  • Extract images from PDFs
  • OCR (optical character recognition)
  • Annotate PDFs
  • Add headers, footers and watermarks
  • Password protect PDFs
  • Optimize PDF file size
  • Table of contents generation
  • Batch processing of PDFs

Pros & Cons Analysis

OpenKM
OpenKM
Pros
  • Open source
  • Easy to install and configure
  • Good search capabilities
  • Lightweight
  • Supports multiple databases
  • Has mobile apps
Cons
  • Limited native integrations
  • Less flexible than some competitors
  • Can be slow with large databases
  • Limited native OCR capabilities
PDF Stacks
PDF Stacks
Pros
  • Intuitive and easy to use interface
  • Useful PDF editing and management features
  • OCR capability
  • Annotation tools
  • Affordable pricing
Cons
  • Lacks advanced features like form filling
  • No mobile apps
  • Slow OCR at times

Pricing Comparison

OpenKM
OpenKM
  • Open Source
PDF Stacks
PDF Stacks
  • Not listed

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