head to head · open source
SuperTokens vs casdoor
SuperTokens has 15,340 GitHub stars, 788 forks, 155 open issues and last shipped 2 days ago. casdoor has 14,751 stars, 1,886 forks, 97 open issues and last shipped 2 days ago. SuperTokens leads on adoption by 4% (15,340 vs 14,751 stars). SuperTokens is written in Java under a custom or non-standard licence; casdoor is written in Go under Apache-2.0. SuperTokens has attracted 5% as many forks as stars, casdoor 13%. SuperTokens was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (authentication, oauth), 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 | casdoor | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 15K |
| License | Custom / other | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 788 | ⑂ 1.9K |
| 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 casdoor if
- You want the casdoor 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 casdoor fits your workflow better
About SuperTokens
Open Source auth provider Add secure login and session management to your apps. SDKs available for popular languages and front end frameworks e.g. Node.js, Go, Python, React.js, React Native, Vanilla JS, etc. Supertokens architecture is optimized to add secure authentication for your users without compromising on user and developer experience Three building blocks of SuperTokens architecture 1. Frontend SDK: Manages session tokens and renders login UI widgets 2. Backend SDK: Provides APIs for sign up, sign in, signout, session refreshing, etc. Your Frontend will talk to these APIs 3. SuperTokens Core: The HTTP…
read the full SuperTokens overview →
About casdoor
An open source, self hosted identity and access management platform Casdoor is a single sign on (SSO) and authentication server with a web console. It speaks OAuth 2.0 , OIDC , SAML 2.0 , CAS , LDAP , SCIM 2.0 , WebAuthn , TOTP/MFA and MCP , and connects to Google Workspace, Microsoft Entra ID (Azure AD), GitHub and many other identity providers. Website · Documentation · Live demo · Discord The sign in page your users see: password, email/SMS code, WebAuthn and Face ID, plus every social provider you enable. Admin console. Users, tokens, organizations and providers at a glance…
read the full casdoor overview →
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Frequently asked questions
Is SuperTokens or casdoor more popular?
SuperTokens has 15,340 GitHub stars and casdoor has 14,751. SuperTokens has the larger community by that measure.
Are SuperTokens and casdoor free?
Both are open source. SuperTokens has no licence declared in this registry, and casdoor is licensed under Apache-2.0. Both are free to self-host.
What is the difference between SuperTokens and casdoor?
SuperTokens is written in Java and casdoor 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 casdoor?
Choose SuperTokens if you want the larger community (15,340 stars) or its Custom / other licence terms. Choose casdoor if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.