head to head · open source
SuperTokens vs Authgear
SuperTokens has 15,310 GitHub stars, 841 forks, 155 open issues and last shipped 4 days ago. Authgear has 2,054 stars, 124 forks, 368 open issues and last shipped yesterday. SuperTokens leads on adoption by 645% (15,310 vs 2,054 stars). SuperTokens is written in Java under a custom or non-standard licence; Authgear is written in Go under Apache-2.0. SuperTokens has attracted 5% as many forks as stars, Authgear 6%. Authgear was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 4 topic tags (auth0, authentication, keycloak, login), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| SuperTokens | Authgear | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 2.1K |
| License | Custom / other | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-09-14 | 2026-09-17 |
| Forks | ⑂ 841 | ⑂ 124 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick SuperTokens if
- You weight community size — 15K stars and counting
- You want the Custom / other license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick Authgear if
- You want the Authgear feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and Authgear fits your workflow better
About SuperTokens
SuperTokens is an open source authentication and session management platform for applications that need login, sign up, sign out, and user data control. It sits in the identity and access management ecosystem and is described as an alternative to Auth0, Firebase Auth, and AWS Cognito. It separates work into a frontend SDK, a backend SDK, and a Java based SuperTokens Core service that handles authentication logic and database operations.
read the full SuperTokens overview →
About Authgear
Authgear is open source identity and access management platform. It is managed identity platform for any app. It is open source Auth0, Clerk, Firebase Auth alternative. It is written in Go, licensed Apache 2.0, and lives in identity and access management ecosystem.
read the full Authgear overview →
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Frequently asked questions
Is SuperTokens or Authgear more popular?
SuperTokens has 15,310 GitHub stars and Authgear has 2,054. SuperTokens has the larger community by that measure.
Are SuperTokens and Authgear free?
Both are open source. SuperTokens has no licence declared in this registry, and Authgear is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SuperTokens and Authgear?
SuperTokens is written in Java and Authgear in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, SuperTokens or Authgear?
Choose SuperTokens if you want the larger community (15,310 stars) or its Custom / other licence terms. Choose Authgear if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.