Ory Kratos

Ntfy

★ FeaturedGO

A lightweight, open-source solution for sending real-time notifications to your devices, with end-to-end encryption and no sign-up required.

Casdoor

GO

An open-source UI-first Identity and Access Management (IAM) / Single-Sign-On (SSO) platform

Permify

GO

Open-source authorization service for implementing fine-grained access controls. Centralized, scalable solution supporting RBAC, ABAC and ReBAC with Google Zanzibar-inspired architecture.