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Okular vs OpenContacts

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

Okular icon
Okular
OpenContacts icon
OpenContacts

Okular vs OpenContacts: 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.

OpenContacts: OpenContacts is an open source contact and customer relationship management (CRM) software. It allows businesses to store contact details, track interactions, manage deals and campaigns, and analyze data.

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 OpenContacts
Sugggest Score — —
Category Office & Productivity Business & Commerce
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

OpenContacts
OpenContacts

Description: OpenContacts is an open source contact and customer relationship management (CRM) software. It allows businesses to store contact details, track interactions, manage deals and campaigns, and analyze data.

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
OpenContacts
OpenContacts Features
  • Contact management
  • Lead and deal tracking
  • Campaign management
  • Reporting and analytics
  • Calendar
  • Email integration
  • Mobile access

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
OpenContacts
OpenContacts

Pros

  • Free and open source
  • Customizable and extensible
  • Good basic CRM features
  • Active development community

Cons

  • Less features than paid CRM options
  • Limited support options
  • May require technical expertise to fully customize

Pricing Comparison

Okular
Okular
  • Free
OpenContacts
OpenContacts
  • Open Source

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Learn More About Each Product

Okular
Okular
Reviews, pricing & alternatives →
OpenContacts
OpenContacts
Reviews, pricing & alternatives →

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