Skip to content

Authelia vs ReactOS

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

Authelia icon
Authelia
ReactOS icon
ReactOS

Authelia vs ReactOS: 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.

ReactOS: ReactOS is an open-source operating system that aims to be binary-compatible with Windows applications and drivers. It provides a Windows-like desktop environment and functionality for users looking for a free and open alternative to commercial Windows operating systems.

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 ReactOS
Sugggest Score — —
Category Security & Privacy Os & Utilities
Pricing Open Source Open Source

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

ReactOS
ReactOS

Description: ReactOS is an open-source operating system that aims to be binary-compatible with Windows applications and drivers. It provides a Windows-like desktop environment and functionality for users looking for a free and open alternative to commercial Windows operating systems.

Type: software

Pricing: Open Source

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
ReactOS
ReactOS Features
  • Windows NT architecture
  • Supports Windows drivers and applications
  • File systems support (FAT, NTFS, EXT2/3)
  • Networking stack
  • Partial Win32 API support

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
ReactOS
ReactOS
Pros
  • Free and open source
  • Provides a Windows-like experience
  • Runs many Windows apps natively
  • Active development community
Cons
  • Limited hardware support
  • Not all Windows APIs implemented
  • Stability and compatibility issues
  • Lacks many modern features

Pricing Comparison

Authelia
Authelia
  • Open Source
ReactOS
ReactOS
  • Open Source

Related Comparisons

Clerk Authentication
vs Authelia vs ReactOS

Learn More About Each Product

Authelia
Authelia
Reviews, pricing & alternatives →
ReactOS
ReactOS
Reviews, pricing & alternatives →

Ready to Make Your Decision?

Explore more software comparisons and find the perfect solution for your needs

Authelia Alternatives
ReactOS Alternatives
Browse More Software