head to head · open source
Keycloak vs chatgpt-web
Keycloak has 37,039 GitHub stars, 8,981 forks, 3,292 open issues and last shipped today. chatgpt-web has 1,870 stars, 461 forks, 166 open issues and last shipped 7 months ago. Keycloak leads on adoption by 1,881% (37,039 vs 1,870 stars). Keycloak is written in Java under Apache-2.0; chatgpt-web is written in Vue under MIT. Keycloak has attracted 24% as many forks as stars, chatgpt-web 25%. Keycloak was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (oidc, saml), 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
| Keycloak | chatgpt-web | |
|---|---|---|
| GitHub stars | ★ 37K | ★ 1.9K |
| License | Apache-2.0 | MIT |
| Written in | Java | Vue |
| Last push | 2026-09-29 | 2026-03-04 |
| Forks | ⑂ 9.0K | ⑂ 461 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Keycloak if
- You weight community size — 37K 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 chatgpt-web if
- You want the chatgpt-web feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Vue
- You evaluated both and chatgpt-web fits your workflow better
About Keycloak
Keycloak is an open source identity and access management server, written in Java and licensed under Apache 2.0, that adds authentication and access control to applications and services, and it is intended for teams and organisations that want to own their user store rather than rent one.
read the full Keycloak overview →
About chatgpt-web
chatgpt web is a self hosted ChatGPT web interface built with Express and Vue 3 that talks to ChatGPT through the official OpenAI API, aimed at operators and teams who want to run their own multi user chat front end rather than depend on a hosted service.
read the full chatgpt-web overview →
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Frequently asked questions
Is Keycloak or chatgpt-web more popular?
Keycloak has 37,039 GitHub stars and chatgpt-web has 1,870. Keycloak has the larger community by that measure.
Are Keycloak and chatgpt-web free?
Both are open source. Keycloak is licensed under Apache-2.0 and chatgpt-web under MIT. Neither carries a licence fee.
What is the difference between Keycloak and chatgpt-web?
Keycloak is written in Java and chatgpt-web in Vue. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Keycloak or chatgpt-web?
Choose Keycloak if you want the larger community (37,039 stars) or its Apache-2.0 licence terms. Choose chatgpt-web if its feature set, stack or MIT licence fits better. Both are self-hostable.