head to head · open source
Sa-Token vs product-is
Sa-Token has 19,066 GitHub stars, 2,911 forks, 111 open issues and last shipped 8 days ago. product-is has 882 stars, 1,033 forks, 1,632 open issues and last shipped today. Sa-Token leads on adoption by 2,062% (19,066 vs 882 stars). Sa-Token is written in Java under Apache-2.0; product-is is written in Java under Apache-2.0. Sa-Token has attracted 15% as many forks as stars, product-is 117%. product-is was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (authorization, sso), 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
| Sa-Token | product-is | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 882 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Java |
| Last push | 2026-09-27 | 2026-10-05 |
| Forks | ⑂ 2.9K | ⑂ 1.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sa-Token if
- You weight community size — 19K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick product-is if
- You want the product-is feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and product-is fits your workflow better
About Sa-Token
Sa Token is a free, open source, one stop Java authentication and authorization framework, licensed under Apache 2.0, that gives Java and Spring Boot developers login authentication, permission checks, distributed sessions, single sign on, OAuth2.0, gateway authentication, JWT integration, API key authorization and API parameter signing from a single dependency.
read the full Sa-Token overview →
About product-is
WSO2 Identity Server is an open source identity and access management platform for Java based on premises and cloud deployments, aimed at teams that need to secure applications, APIs, workforce, consumer, and business customer logins under standards such as OAuth 2.0, OIDC, and SAML 2.0.
read the full product-is overview →
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Frequently asked questions
Is Sa-Token or product-is more popular?
Sa-Token has 19,066 GitHub stars and product-is has 882. Sa-Token has the larger community by that measure.
Are Sa-Token and product-is free?
Both are open source. Sa-Token is licensed under Apache-2.0 and product-is under Apache-2.0. Neither carries a licence fee.
What is the difference between Sa-Token and product-is?
Sa-Token is written in Java and product-is in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Sa-Token or product-is?
Choose Sa-Token if you want the larger community (19,066 stars) or its Apache-2.0 licence terms. Choose product-is if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.