FusionAuth

FusionAuth is a single-tenant CIAM solution for web and mobile applications that is FREE for unlimited users. Built for developers, FusionAuth’s REST API is designed to scale from 1 to 1 billion users. It installs with one command to provide secure on-prem or private cloud identity with login, registration, MFA, SSO, email templates & localization, role-based access control, and brute-force detection. Flexible password controls simplify user provisioning and migration. The intuitive web-based user management interface provides user reports, moderation, reward/discipline, user search & segmentation features.