AuthZed Uptime Monitor

Permify delivers centralized, fine-grained access control with rapid implementation, inspired by Google Zanzibar, supporting RBAC, ABAC, and ReBAC models.

Authorizer is an open-source, self-hosted authentication and authorization platform that provides OAuth2 and OpenID Connect capabilities, allowing developers to maintain full control over user data in their preferred databases while offering multiple authentication methods and role-based access control.

Cerbos is an enterprise authorization software that provides fine-grained, contextual access control for applications, APIs, AI systems, and workloads with Zero Trust security and compliance-ready audit logs.

QueryPie is a comprehensive security solution that provides integrated access control across databases, systems, Kubernetes, and web applications within a unified Zero Trust framework.

StrongDM is a Zero Trust Privileged Access Management platform that provides continuous authorization, total session visibility, and adaptive policy controls for secure infrastructure access across cloud, hybrid, and on-prem environments.

Topaz is an open source cloud-native authorization service that provides fine-grained, real-time, policy-based access control for applications and APIs, combining OPA and Zanzibar approaches.