
Best Open Policy Agent alternatives in 2026
5 direct alternatives to Open Policy Agent, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Why people leave Open Policy Agent
Open Policy Agent (OPA) is a general-purpose policy engine that decouples policy decision-making from application logic. It allows organizations to define and enforce policies consistently across various components of their software stack, including applications, microservices, K…
Common reasons teams switch: pricing as you scale, missing integrations, performance, or a feature gap your team has hit. The alternatives below cover the same core job (identity & access) with different trade-offs.
5 alternatives to Open Policy Agent
Ranked by editorial score and direct relevance to Open Policy Agent.
- 1
Keycloak
FreeOpen-source identity and access management
Direct alternativeCompare Open Policy Agent vs Keycloak → - 2

FusionAuth
FreemiumCustomer identity and access management
Direct alternativeCompare Open Policy Agent vs FusionAuth → - 3
SuperTokens
FreemiumOpen-source user authentication
Direct alternativeCompare Open Policy Agent vs SuperTokens → - 4

Authelia
FreeOpen-source authentication and authorization server
Direct alternativeCompare Open Policy Agent vs Authelia → - 5

Puppet
PaidInfrastructure automation and configuration management
Direct alternativeCompare Open Policy Agent vs Puppet →
Side-by-side comparisons
In-depth comparison pages for Open Policy Agent versus each alternative.
Still considering Open Policy Agent?
See the full review, pricing breakdown, and community feedback before you decide.