Learn how Authentik and Zitadel differ in their key features, development activity, technology stack and community adoption, so you can decide which of these authentication & sso providers is best for you.

Authentik appears to have several advantages over Zitadel, particularly in popularity, growth and licensing. Consider your specific needs regarding popularity, growth, activity, technology, maturity, licensing and features when making your decision.
Authentik leads in popularity with 24,595 stars vs 14,700 stars for Zitadel. The 67% higher star count indicates stronger community adoption. In terms of developer contributions, Authentik has 1,886 forks, indicating strong developer engagement.
Authentik is growing faster, adding 2,293 stars in the last 30 days (+10%) against adding 309 stars for Zitadel (+2.1%). Authentik is both larger and pulling further ahead.
Both projects show recent activity, with Authentik last updated 1 hour ago and Zitadel 3 hours ago.
Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Golang. However, they differ in their additional technology choices: Authentik uses Python, Rust, Django while Zitadel leverages Next.js, SCSS, Lua.
Both projects started around the same time, with Authentik beginning 7 years ago and Zitadel 6 years ago.
Authentik uses the MIT license, which is more permissive than Zitadel's AGPL-3.0 license, potentially offering greater flexibility for commercial use and integration.
Both tools serve similar use cases in Authentication & SSO, Authorization & Permissions.
Both Authentik and Zitadel offer self-hosting capabilities, giving you full control over your data and infrastructure.

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