Authgear-server
authgear-server is an open-source authentication server that serves as an alternative to Auth0 and Firebase Auth. It provides secure, flexible, and scalable user authentication and identity management for web and mobile applications.
Authgear-server is built in Go, distributed under the Apache License 2.0 license, 1.6k GitHub stars from 44 contributors, latest release 2026-03-17.0.
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- Language
- Go
- Latest Release
- 2026-03-17.0
- License
- Apache License 2.0
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Key Features
- Open source authentication platform
- Supports OAuth 2.0 and OIDC protocols
- Multi-factor authentication (MFA) support
- Social login integrations
- Flexible user management APIs
- Extensive security features
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