Authelia
The Single Sign-On Multi-Factor portal for web apps
Keycloak
Open Source Identity and Access Management
Side-by-side comparison
| Dimension | Authelia | Keycloak |
|---|---|---|
| Category | SSO & Identity | SSO & Identity |
| License | Apache-2.0 | Apache-2.0 |
| Primary language | Go | Java |
| GitHub stars | 29,401 | ▲37,504 |
| GitHub forks | 1,527 | ▲9,104 |
| Open issues | 136 | 3,347 |
| Docker pulls | ▲85,450,814 | 19,001,885 |
| Latest version | v4.39.28 | 26.8.1 |
| Platforms with an official client | 1 — Web | 1 — Web |
| Third-party clients | 0 | 0 |
| Deployment methods | 3 | 3 |
| Data last verified | Oct 25, 2026 | Oct 25, 2026 |
▲ = leads on countable metrics only (stars, forks, Docker pulls, official-client platforms, third-party clients, deployment methods). License, language, latest version, open issues and verification dates are shown side by side without a verdict — they are facts, not scores. Verification state per platform is on each app profile page.
Where each side leads
Where Authelia leads1
- Docker pulls — 85,450,814
Where Keycloak leads2
- GitHub stars — 37,504
- GitHub forks — 9,104
Pricing
Authelia
Not documented
The schema has no pricing or paid-tier field, so no price is claimed for this app.
Keycloak
Not documented
The schema has no pricing or paid-tier field, so no price is claimed for this app.
Licence (Apache-2.0 vs Apache-2.0) is the only cost-related field the database records, and it is a fact rather than a price.
Frequently asked questions
Is Authelia open source?
Authelia is licensed under Apache-2.0, verified Oct 25, 2026.
Is Keycloak open source?
Keycloak is licensed under Apache-2.0, verified Oct 25, 2026.
Which one has more GitHub stars?
Authelia has 29,401 stars and Keycloak has 37,504, both captured Oct 25, 2026.
Can I run Authelia with Docker?
Yes. 1 Docker image recorded: authelia/authelia.
Can I run Keycloak with Docker?
Yes. 1 Docker image recorded: keycloak/keycloak.
How much RAM do they need?
Not documented. The database schema has no memory-usage field yet, so this site does not claim a RAM figure for either app.