Cybersecurity · head to head
Authelia vs Weka

Authelia
Cybersecurity
Open-source authentication and two-factor portal for reverse proxies
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Authelia depends on a reverse proxy: it is not a standalone identity provider; Weka the package management system needs an internet connection to download and install packages, so an air-gapped install gets only the core distribution
- They diverge on capability: Authelia covers Reverse proxy integration, Weka covers Classification.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which Authelia and Weka actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Authelia
- Reverse proxy integration
- Two-factor authentication
- Access control rules
- Lightweight backends
Only in Weka
- Classification
- Regression
- Clustering
- Association rules
- Feature selection
- Java
- R
- Python
What people use each for
The jobs each tool is most often brought in to do.
Authelia
- Putting a login and 2FA in front of self-hosted services that have nonenot Weka
- Adding SSO across a small set of internal tools without a full identity platformnot Weka
- Home and small-team infrastructure behind a single reverse proxynot Weka
Weka
- Teaching and exploring classic machine learning algorithms through a GUInot Authelia
- Running data mining experiments and preprocessing without writing codenot Authelia
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Authelia
- Depends on a reverse proxy: it is not a standalone identity provider
- Configuration is YAML-first with no administrative interface, so changes mean editing files
- Not a full IAM: user management, provisioning and federation are limited compared with Keycloak
- Scales poorly as an organisation-wide identity solution, which is not its target
Weka
- The package management system needs an internet connection to download and install packages, so an air-gapped install gets only the core distribution
- Weka is split into a stable 3.8 branch that receives only bug fixes and compatibility-safe upgrades and a 3.9 development branch that may receive features that break compatibility
- Weka requires a 64-bit Java VM; the bundled installers ship Bellsoft OpenJDK 25 per platform and architecture
Pricing, plan by plan
Authelia
Free- AutheliaFree
- Full functionality
- No usage limits
- Community support
Weka
Free- Open SourceFree
- All ML algorithms
- GUI and CLI
- Java API
Which should you pick?
Choose Authelia if
- You need reverse proxy integration.
- You want to start without paying.
- You work on Docker, Kubernetes, Linux, Self-hosted.
- You also want two-factor authentication.
Choose Weka if
- You need classification.
- You want to start without paying.
- You work on Linux, Mac, Windows.
- You also want regression.
Questions people ask
- Is Authelia or Weka better?
- Neither clearly leads. Authelia starts at Free and Weka at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Authelia or Weka?
- Authelia starts at Free and Weka at Free.
- Does Authelia or Weka run on more platforms?
- Authelia runs on Docker, Kubernetes, Linux, Self-hosted. Weka runs on Linux, Mac, Windows.
- Can I use Authelia for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Authelia best used for?
- Authelia is most often used for putting a login and 2fa in front of self-hosted services that have none, adding sso across a small set of internal tools without a full identity platform, home and small-team infrastructure behind a single reverse proxy. Of those, putting a login and 2fa in front of self-hosted services that have none and adding sso across a small set of internal tools without a full identity platform are not what Weka is typically brought in for.
- What can Authelia do that Weka cannot?
- Authelia covers Reverse proxy integration, Two-factor authentication, Access control rules, Lightweight backends. Weka covers Classification, Regression, Clustering, Association rules.
Answered from the vendors’ own pages
Authelia: Is Authelia free?
Yes, open source with no licence fee.
Weka: What is the cost of Weka software?
Weka is provided at no cost as open-source software released under the GNU General Public License, making it freely available for download and use.
SourceAuthelia: Does Authelia need a reverse proxy?
Yes. It integrates through forward authentication with Nginx, Traefik, Caddy or HAProxy rather than sitting in front of traffic itself.
Weka: Are there commercial licensing options available?
Yes, the project offers information about commercial licenses for organizations requiring non-GPL terms, which can be found in their commercial applications documentation.
SourceAuthelia: Authelia or Keycloak?
Authelia is far lighter and aimed at protecting self-hosted services behind a proxy. Keycloak is a full identity and access management platform, and much more to run.
Weka: What support resources are available to users?
Multiple support avenues exist including comprehensive documentation, frequently asked questions, dedicated help resources, and access to courses for learning the platform.
SourceWeka: Is source code access provided?
Yes, developers have full access to source code through the Git repository, along with development documentation and code credits for contributors.
SourceRelated pages
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