Learn how Cerbos and Stack Auth differ in their key features, development activity, technology stack and community adoption, so you can decide which of these authorization & permissions tools is best for you.
Stars
Forks
Last commit
Repository age
License
Activity score

Stars
Forks
Last commit
Repository age
Self-hosted
Activity score

Both Cerbos 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.
Stack Auth leads in popularity with 6,815 stars vs 4,471 stars for Cerbos. The 52% higher star count indicates stronger community adoption. In terms of developer contributions, Stack Auth has 519 forks, indicating moderate developer engagement.
Both projects show recent activity, with Cerbos last updated 22 hours ago and Stack Auth 11 hours ago.
Both tools share common technology foundations, being built with JavaScript, CSS, Bash. However, they differ in their additional technology choices: Cerbos uses Python, Golang, Rust, PHP, Java, Ruby, C# while Stack Auth leverages Typescript, JSX, Next.js.
Cerbos has been in development longer, starting 5 years ago, compared to Stack Auth which began 2 years ago. This 3.0-year head start suggests Cerbos may have more mature features and established processes.
Cerbos is licensed under Apache-2.0, while Stack Auth's license terms are not publicly specified.
Both tools serve similar use cases in Authorization & Permissions. However, they also have distinct specializations: Cerbos also focuses on Application Security while Stack Auth extends into Authentication & SSO.
Stack Auth provides self-hosting options for complete data control and customization, while Cerbos may be primarily cloud-based or require different deployment approaches.