Authgear vs Logto
A side-by-side comparison of two self-hosted identity & sso options — licensing, setup difficulty, resource needs, and what each one replaces.
Authgear
Open-source authentication and user management server
VS
Logto
Developer-friendly authentication and authorization platform
| Feature | Authgear | Logto |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 86 · Excellent | 94 · Excellent |
| Category | Identity & SSO | Identity & SSO |
| License | Apache-2.0 | MPL-2.0 |
| Language | Go | TypeScript |
| Setup difficulty | Hard | Medium |
| Min. RAM | 1,024 MB | 512 MB |
| Deployment | docker, kubernetes | docker, kubernetes, binary |
| GitHub stars | ★ 2,065 | ★ 14,621 |
| First released | 2021 | 2022 |
| Replaces | Auth0, Firebase Auth | Auth0, Firebase Auth, Clerk |
What are Authgear and Logto?
Authgear
Authgear is an open-source authentication-as-a-service platform supporting passwordless login, social login, and multi-factor authentication. It is self-hosted to provide identity for web and mobile apps.
- Passwordless and social login
- Built-in MFA
- User management dashboard
- OIDC compliant
Logto
Logto is an open-source identity solution built for developers, offering passwordless sign-in, social login and enterprise SSO. It provides prebuilt sign-in experiences and SDKs for many frameworks.
- Prebuilt customizable sign-in experiences
- Passwordless and social authentication
- Multi-framework SDKs
- Role-based access control
Authgear vs Logto: key differences
Authgear is written in Go, while Logto is built with TypeScript. Licensing differs — Apache-2.0 for Authgear versus MPL-2.0 for Logto. Logto is the lighter option, starting around 512 MB of RAM against 1,024 MB for Authgear. Logto has the considerably larger community, at 14,621 GitHub stars versus 2,065.
Why pick each one
Choose Authgear if…
- Released under the Apache-2.0 license
- First-class Docker support for quick deployment
- Kubernetes-ready with Helm charts available
- Active community (2.1k GitHub stars)
Choose Logto if…
- Great developer experience
- Modern UI and SDKs
Watch out for
- Younger project with evolving APIs
Frequently asked questions
Is Authgear or Logto better?
Logto is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Authgear if its specific feature set fits your needs better.
Are Authgear and Logto free and open-source?
Yes. Authgear is licensed under Apache-2.0 and Logto under MPL-2.0. Both can be self-hosted at no software cost.
Can I run Authgear and Logto with Docker?
Authgear: yes. Logto: yes.
Which is lighter on resources, Authgear or Logto?
Logto has the smaller minimum footprint at 512 MB of RAM, compared to about 1,024 MB for Authgear. Real-world usage depends on library size, user count, and enabled features.