1.logto-io / logto🧑🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.authenticationauthorizationidentityopenid-connectpasswordlesssocial-login+14 moreTypeScriptMPL-2.015K total1.2K forks+47 starsfrom 14,784 · score 3.87
2.novuhq / novuThe open-source communication infrastructure for agents and productsnotificationscommunicationemailsmspush-notificationstransactional+9 moreTypeScriptOther license40K total4.5K forks+43 starsfrom 40,204 · score 3.78