Casbin vs Conjur

Compare Casbin and Conjur on pricing, features, platforms, and ratings — both Security tools, Free/Open-source vs Free/Open Source (core); commercial tier via…

At a Glance

 CasbinConjur
Primary categorySecuritySecurity
RatingNot documentedNot documented
Pricing modelFree/Open-sourceFree/Open Source (core); commercial tier via CyberArk Secrets Manager
Starting priceFreeFree (open source); commercial pricing is custom/quote-based
Free planNot documentedNot documented
Free trialNot documentedNot documented
PlatformsNot documentedNot documented
Team collaborationNot documentedNot documented
AI featuresNot documentedNot documented
Public APIYesYes

Pricing Compared

Starting price reflects the lowest paid tier, not the full cost for every team size or usage level.

Casbin

No individual plan breakdown documented yet.

Conjur

Conjur Open Source — Free N/A
CyberArk Secrets Manager (Commercial) — Custom Annual/Custom

Pros & Cons

Casbin

Pros

  • Framework- and language-agnostic authorization model usable across polyglot codebases
  • Mature and widely adopted in production, with 20,000+ GitHub stars on the core repository
  • Flexible enough to model ACL, RBAC, and ABAC without rewriting application logic
  • Backed by Apache Software Foundation incubation for open governance
  • Free and open source with no licensing cost

Cons

  • Requires developers to learn its model/policy configuration syntax
  • No built-in user interface or hosted service on its own
  • Documentation depth varies somewhat across the different language SDKs
  • Fully self-managed, with no vendor support contract available

Conjur

Pros

  • Free, open-source core with an enterprise-grade security model
  • Strong policy-as-code approach to machine identity and access control
  • Deep integrations across common DevOps and cloud toolchains
  • Backed by CyberArk's established security expertise

Cons

  • Steeper learning curve (Ruby-based, MAML policy language) than simpler tools like HashiCorp Vault or Doppler
  • Open-source edition lacks the high-availability clustering and disaster recovery in the commercial tier
  • Smaller open-source community (under 1,000 GitHub stars) than competing secrets managers
  • Commercial pricing is quote-based and enterprise-oriented, less accessible to small teams

Use Cases

Casbin

  • Embedding fine-grained authorization — Adding ACL, RBAC, or ABAC permission checks directly into an application without building custom access control logic from scratch.
  • Standardizing access control across microservices — Applying a consistent authorization model and policy set across services written in different languages.

Conjur

  • Machine Identity & Secrets Management for DevOps Pipelines — Platform and security teams use Conjur to secure credentials used by CI/CD tools and automated deployments.
  • Centralized Secrets Inside a PAM Program — Large enterprises embed Conjur's policy-driven access model into a broader privileged access management strategy.

Read the full Casbin review · Read the full Conjur review