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Permify

Open-source authorization service for fine-grained access

Identity & SSO ★ 5.9k stars Medium setup Apache-2.0

Permify is an open-source authorization service inspired by Google Zanzibar for building and managing fine-grained, scalable access control. It is self-hosted to centralize permission checks.

Key features

  • Zanzibar-style model
  • Centralized permissions
  • Real-time consistency
  • gRPC and REST APIs

Strengths

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 5.9k GitHub stars

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