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Authelia vs Okular

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

Authelia icon
Authelia
Okular icon
Okular

Authelia vs Okular: The Verdict

⚡ Summary:

Authelia: Authelia is an open-source authentication and authorization server that provides single sign-on and multi-factor authentication for web applications. It acts as a proxy that users must authenticate with before accessing internal web apps.

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.

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 Authelia Okular
Sugggest Score — —
Category Security & Privacy Office & Productivity
Pricing Open Source Free

Product Overview

Authelia
Authelia

Description: Authelia is an open-source authentication and authorization server that provides single sign-on and multi-factor authentication for web applications. It acts as a proxy that users must authenticate with before accessing internal web apps.

Type: software

Pricing: Open Source

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

Key Features Comparison

Authelia
Authelia Features
  • Single sign-on
  • Multi-factor authentication
  • Access control for web apps
  • Authentication via LDAP, OAuth, SAML
  • Authorization based on groups, roles, etc
  • Web interface for admin and users
  • Integration with reverse proxies like Nginx
  • OpenID Connect support
  • Duotwo-factor authentication
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

Pros & Cons Analysis

Authelia
Authelia

Pros

  • Open source and self-hosted
  • Secure authentication and authorization
  • Centralized access control
  • Flexible configuration
  • Works with many identity providers
  • Active development community

Cons

  • Complex initial setup
  • Limited documentation
  • Not as feature rich as commercial alternatives
  • Lacks enterprise support options
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

Pricing Comparison

Authelia
Authelia
  • Open Source
Okular
Okular
  • Free

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Learn More About Each Product

Authelia
Authelia
Reviews, pricing & alternatives →
Okular
Okular
Reviews, pricing & alternatives →

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