Free-tier authorization policy management

PropelAuth

PropelAuth is an authentication platform for B2B products. It provides hosted and self-hosted options for multi-tenant authentication, organization management, role-based access control, enterprise SSO, SCIM, API key authentication, user impersonation, audit logs, and MCP server authentication.

Permit.io

Permit.io is an authorization platform for apps, APIs, data, and AI agent workflows. It provides policy enforcement through a policy engine and PDPs, with support for RBAC, ABAC, ReBAC, and PBAC, plus GitOps, SDK, API, and Terraform-based policy management.

Cerbos Hub is the managed control plane for Cerbos authorization. It coordinates policy administration for Cerbos PDPs and Synapse, letting teams write, test, validate, deploy, and audit authorization policies across apps, APIs, services, workloads, and AI systems.

Ory

Ory is an identity and access management platform for applications, enterprises, and AI agents. It provides customer identity, B2B identity, and agent identity capabilities through API-first components for authentication, authorization, permissions, and session management.

Logto

Logto is an authentication and authorization platform for developers. It implements OIDC and OAuth 2.1 and adds sign-in flows, multi-tenancy, enterprise SSO, RBAC, MFA, organizations, machine-to-machine authentication, and account APIs for SaaS and AI applications.