better-auth/better-auth

TypeScript library for authentication and authorization, works with email, password, social providers, plugins, and multiple frameworks

Lucia gives open source auth resources for JavaScript and TypeScript devs
lucia-auth/lucia
open-source auth platform for web apps
stack-auth/stack-auth
open source auth with login, session management, multi-factor, and social login
supertokens/supertokens-core
auth and user management for apps, open source
authorizerdev/authorizer
Open-source OAuth provider for web and mobile apps
openauthjs/openauth
end-to-end typesafe APIs for TypeScript apps
trpc/trpc
TypeScript utility types for everyday coding
sindresorhus/type-fest
open source email alias service for privacy and spam protection
simple-login/app
OAuth and authentication system for apps and APIs
ValueMelody/melody-auth
open source authorization service for fine-grained access control
Permify/permify