head to head · open source
Sa-Token vs openvpn-auth-oauth2
Sa-Token has 19,071 GitHub stars, 2,911 forks, 111 open issues and last shipped 14 days ago. openvpn-auth-oauth2 has 516 stars, 64 forks, 1 open issues and last shipped 2 days ago. Sa-Token leads on adoption by 3,596% (19,071 vs 516 stars). Sa-Token is written in Java under Apache-2.0; openvpn-auth-oauth2 is written in Go under MIT. Sa-Token has attracted 15% as many forks as stars, openvpn-auth-oauth2 12%. openvpn-auth-oauth2 was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | openvpn-auth-oauth2 | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 516 |
| License | Apache-2.0 | MIT |
| Written in | Java | Go |
| Last push | 2026-09-27 | 2026-10-09 |
| Forks | ⑂ 2.9K | ⑂ 64 |
| 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 openvpn-auth-oauth2 if
- You want the openvpn-auth-oauth2 feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and openvpn-auth-oauth2 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 openvpn-auth-oauth2
openvpn auth oauth2 is an OpenVPN management client and plugin that lets VPN users sign in through any OIDC compatible identity provider, aimed at administrators who want single sign on for their OpenVPN server.
read the full openvpn-auth-oauth2 overview →
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Frequently asked questions
Is Sa-Token or openvpn-auth-oauth2 more popular?
Sa-Token has 19,071 GitHub stars and openvpn-auth-oauth2 has 516. Sa-Token has the larger community by that measure.
Are Sa-Token and openvpn-auth-oauth2 free?
Both are open source. Sa-Token is licensed under Apache-2.0 and openvpn-auth-oauth2 under MIT. Neither carries a licence fee.
What is the difference between Sa-Token and openvpn-auth-oauth2?
Sa-Token is written in Java and openvpn-auth-oauth2 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, Sa-Token or openvpn-auth-oauth2?
Choose Sa-Token if you want the larger community (19,071 stars) or its Apache-2.0 licence terms. Choose openvpn-auth-oauth2 if its feature set, stack or MIT licence fits better. Both are self-hostable.