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Okular vs OpenKM

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

Okular icon
Okular
OpenKM icon
OpenKM

Okular vs OpenKM: The Verdict

⚡ Summary:

Okular: Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.

OpenKM: 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.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Okular OpenKM
Sugggest Score — —
Category Office & Productivity Office & Productivity
Pricing Free Open Source

Product Overview

Okular
Okular

Description: Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.

Type: software

Pricing: Free

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

Key Features Comparison

Okular
Okular Features
  • Supports viewing PDF, PostScript, DjVu, CHM, XPS, ePub and other formats
  • Allows annotating, highlighting and adding comments to PDFs
  • Has different view modes like single page, facing, overview grid
  • Supports tabs for opening multiple documents
  • Has presentation mode for slideshows
  • Can fill interactive PDF forms
  • Allows saving filled forms as PDF or text
  • Has search functionality to find text in documents
  • Can encrypt PDF files
  • Has document information and metadata viewer
  • Supports table of contents navigation
  • Has different reflow modes for reading ePubs
  • Can print documents to system printer
OpenKM
OpenKM Features
  • Document management
  • Records management
  • Collaboration tools
  • Version control
  • Search engine
  • Access controls
  • Annotations
  • Workflows

Pros & Cons Analysis

Okular
Okular
Pros
  • Free and open source
  • Clean and intuitive interface
  • Good performance with large PDFs
  • Lots of annotation and markup tools
  • Supports many document formats
  • Available on Linux, Windows, macOS
Cons
  • Limited format support compared to some alternatives
  • Annotation features may be limited for some users
  • No cloud storage integration
  • Less features than paid alternatives
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

Pricing Comparison

Okular
Okular
  • Free
OpenKM
OpenKM
  • Open Source

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Learn More About Each Product

Okular
Okular
Reviews, pricing & alternatives →
OpenKM
OpenKM
Reviews, pricing & alternatives →

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