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Cybersecurity · head to head

Doppler vs Authelia

Doppler logo

Doppler

Cybersecurity

Secrets management for humans and AI agents

From
Free
Rated
-
Full reviewWebsite
Authelia logo

Authelia

Cybersecurity

Open-source authentication and two-factor portal for reverse proxies

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Doppler developer tier limited to 3 free users with per-user fees beyond that; Authelia depends on a reverse proxy: it is not a standalone identity provider
  • They diverge on capability: Doppler covers Secrets management, Authelia covers Reverse proxy integration.

Where they differ

Only the attributes on which Doppler and Authelia actually diverge.

Attributes where Doppler and Authelia differ
AttributeDopplerAuthelia
Pricing modelUnknownOpen source, no licence fee
PlatformsWeb, CLI, Cloud, On-PremisesDocker, Kubernetes, Linux, Self-hosted

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Cybersecurity).

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 Doppler

  • Secrets management
  • Automated credential rotation
  • Dynamic secrets
  • Audit logging
  • SAML SSO
  • Role-based access control
  • Config syncing
  • AI agent support

Only in Authelia

  • Reverse proxy integration
  • Two-factor authentication
  • Access control rules
  • Lightweight backends

What people use each for

The jobs each tool is most often brought in to do.

Doppler

  • Managing API keys for distributed development teamsnot Authelia
  • Securing credentials for AI agents without per-agent feesnot Authelia
  • Automating credential rotation for compliancenot Authelia
  • Centralizing secrets across cloud and on-premise infrastructurenot Authelia

Authelia

  • Putting a login and 2FA in front of self-hosted services that have nonenot Doppler
  • Adding SSO across a small set of internal tools without a full identity platformnot Doppler
  • Home and small-team infrastructure behind a single reverse proxynot Doppler

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Doppler

  • Developer tier limited to 3 free users with per-user fees beyond that
  • Team plan pricing ($21/user/mo) adds cost for large teams
  • 90-day activity log retention may be insufficient for long-term audits
  • Enterprise plan requires custom pricing conversation

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

Pricing, plan by plan

Doppler

Free
  • DeveloperFree
    • 3 free users
    • Then $8 per additional user per month
    • Doppler CLI access
  • Team$21/month
    • Per-user pricing
    • Change requests
    • SAML SSO
  • Enterprise$undefined/custom
    • Custom pricing scaled to team size
    • On-prem or cloud deployment
    • Custom permissions

Authelia

Free
  • AutheliaFree
    • Full functionality
    • No usage limits
    • Community support

Which should you pick?

Choose Doppler if

  • You need secrets management.
  • You want to start without paying.
  • You work on Web, CLI, Cloud, On-Premises.
  • You also want automated credential rotation.
Doppler review

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.
Authelia review

Questions people ask

Is Doppler or Authelia better?
Neither clearly leads. Doppler starts at Free and Authelia at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Doppler or Authelia?
Doppler starts at Free and Authelia at Free.
Does Doppler or Authelia run on more platforms?
Doppler runs on Web, CLI, Cloud, On-Premises. Authelia runs on Docker, Kubernetes, Linux, Self-hosted.
Can I use Doppler for free?
Both have a free tier, so you can try either at no cost before committing.
What is Doppler best used for?
Doppler is most often used for managing api keys for distributed development teams, securing credentials for ai agents without per-agent fees, automating credential rotation for compliance, centralizing secrets across cloud and on-premise infrastructure. Of those, managing api keys for distributed development teams and securing credentials for ai agents without per-agent fees are not what Authelia is typically brought in for.
What can Doppler do that Authelia cannot?
Doppler covers Secrets management, Automated credential rotation, Dynamic secrets, Audit logging. Authelia covers Reverse proxy integration, Two-factor authentication, Access control rules, Lightweight backends.

Answered from the vendors’ own pages

Doppler: Do AI agents count toward my user limit?

No, AI agents and non-human identities receive free access across all Doppler plans, including Developer, Team, and Enterprise.

Source
Authelia: Is Authelia free?

Yes, open source with no licence fee.

Doppler: What is the difference between Team and Enterprise plans?

Team plan ($21/user/mo) includes SAML SSO, role-based access controls, and 90-day logs. Enterprise adds custom deployment options, unlimited config syncs, 99.95% SLA, and a dedicated account manager.

Source
Authelia: 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.

Doppler: Can I rotate secrets automatically?

Yes, both Team and Enterprise plans support automatic secret rotation. Developer tier supports manual rotation only.

Source
Authelia: 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.

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