Learn how Better Auth and Stack Auth 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.
Stars
Forks
Last commit
Repository age
License
Auto-fetched .

Stars
Forks
Last commit
Repository age
Self-hosted
Auto-fetched .

Both Better Auth and Stack Auth have their unique strengths and serve similar purposes effectively. Consider your specific needs regarding popularity, activity, technology, maturity, licensing and features when making your decision.
Better Auth significantly outpaces Stack Auth in community adoption with 27,965 stars compared to 6,768 stars on GitHub. This 4.1x difference suggests Better Auth has a much larger and more active community. In terms of developer contributions, Better Auth has 2,478 forks, indicating strong developer engagement.
Both projects show recent activity, with Better Auth last updated 13 hours ago and Stack Auth 24 minutes ago.
Both tools share common technology foundations, being built with JavaScript, CSS, Typescript, JSX, Next.js. However, they differ in their additional technology choices: Better Auth uses Vue, SvelteKit, Nuxt.js, Remix, Tanstack Start while Stack Auth leverages Bash.
Both projects started around the same time, with Better Auth beginning 2 years ago and Stack Auth 2 years ago.
Better Auth is licensed under MIT, while Stack Auth's license terms are not publicly specified.
Both tools serve similar use cases in Authentication & SSO. However, they also have distinct specializations: Better Auth also focuses on Identity & Access Management (IAM) while Stack Auth extends into Authorization & Permissions.
Stack Auth provides self-hosting options for complete data control and customization, while Better Auth may be primarily cloud-based or require different deployment approaches.
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs
vs