* [auth0.js v9.31.0](https://github.com/auth0/auth0.js) – Browser-side JavaScript SDK for handling authentication, authorization, and management API calls.

* [WSO2 Thunder v27.0.0](https://github.com/asgardeo/thunder) – Go-based identity management service with a flexible identity flow designer for authentication, registration, and recovery across applications, services, and AI agents.

* [OpenFGA v1.12.0](https://github.com/openfga/openfga) – High-performance authorization engine for modeling and enforcing fine-grained access control inspired by Google Zanzibar.

* [ZITADEL v3.4.9](https://github.com/zitadel/zitadel) – Identity infrastructure solution offering features like multi-tenancy, secure login, and self-service.

* [GoBetterAuth v2.12.0](https://github.com/GoBetterAuth/go-better-auth) – Scalable authentication for Go apps or standalone servers offering email/password auth, sessions, OAuth, and extensible hooks.

* [Svelte Clerk v1.1.0](https://github.com/wobsoriano/svelte-clerk) – Easiest way to add authentication and user management to Svelte and SvelteKit applications.

* [Permify v1.6.6](https://github.com/Permify/permify) – Service for building and managing fine-grained, scalable access controls quickly.

* [Frontier v0.93.0](https://github.com/raystack/frontier) – Identity and access management platform with user, organization, project, group, authentication, authorization, billing, auditing, and reporting features.

* [ZenStack v3.4.6](https://github.com/zenstackhq/zenstack) – Node.js/TypeScript toolkit that simplifies web application development with enhanced Prisma ORM and flexible authorization.

* [Consul v2.0.1](https://github.com/makandra/consul) – Scope-based authorization for Ruby on Rails.

* [Topaz v0.33.12](https://github.com/aserto-dev/topaz) – Cloud-native, policy-based authorization service for applications and APIs.

* [Unkey v2.0.92](https://github.com/unkeyed/unkey) – API authentication and authorization platform for modern developer workflows.

* [Magistrala v0.19.1](https://github.com/absmach/magistrala) – Industrial IoT messaging and device management platform for scalable, secure multi-protocol deployments.

* [Melange v0.7.3](https://github.com/pthm/melange) – OpenFGA-to-PostgreSQL compiler that generates specialized PL/pgSQL functions querying your existing tables for relationship-based access control.

* [Heimdall v0.17.11](https://github.com/dadrus/heimdall) – Cloud-native identity-aware proxy and access-control decision service.