Learn how Stack Auth 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.
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Zitadel appears to have several advantages over Stack Auth, particularly in popularity, maturity and licensing. Consider your specific needs regarding popularity, activity, technology, maturity, licensing and features when making your decision.
Zitadel leads in popularity with 13,960 stars vs 6,804 stars for Stack Auth. The 105% higher star count indicates stronger community adoption. In terms of developer contributions, Zitadel has 1,100 forks, indicating strong developer engagement.
Both projects show recent activity, with Stack Auth last updated 17 hours ago and Zitadel 2 days ago.
Both tools share common technology foundations, being built with JavaScript, CSS, Bash, Typescript, JSX, Next.js. However, they differ in their additional technology choices: Zitadel leverages SCSS, Golang, Lua.
Zitadel has been in development longer, starting 6 years ago, compared to Stack Auth which began 2 years ago. This 4.0-year head start suggests Zitadel may have more mature features and established processes.
Zitadel is licensed under AGPL-3.0, while Stack Auth's license terms are not publicly specified.
Both tools serve similar use cases in Authentication & SSO, Authorization & Permissions.
Both Stack Auth and Zitadel offer self-hosting capabilities, giving you full control over your data and infrastructure.
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