head to head · open source
Zitadel vs samlify
Zitadel has 15,507 GitHub stars, 1,416 forks, 1,171 open issues and last shipped 2 days ago. samlify has 663 stars, 235 forks, 53 open issues and last shipped 15 days ago. Zitadel leads on adoption by 2,239% (15,507 vs 663 stars). Zitadel is written in Go under AGPL-3.0; samlify is written in TypeScript under MIT. Zitadel has attracted 9% as many forks as stars, samlify 35%. Zitadel was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Zitadel | samlify | |
|---|---|---|
| GitHub stars | ★ 16K | ★ 663 |
| License | AGPL-3.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-03 | 2026-10-21 |
| Forks | ⑂ 1.4K | ⑂ 235 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zitadel if
- You weight community size — 16K stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick samlify if
- You want the samlify feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and samlify fits your workflow better
About Zitadel
The Identity Infrastructure for Developers ZITADEL is an open source identity and access management platform built for teams that need more than basic auth. Whether you're securing a SaaS product, building a B2B platform, or self hosting a production IAM stack — ZITADEL gives you everything out of the box: SSO, MFA, Passkeys, OIDC, SAML, SCIM, and a battle tested multi tenancy model. No vendor lock in. No compromise on control. Just a robust, API first identity platform you can own. 🏡 Website 💬 Chat 📋 Docs 🧑💻 Blog 📞 Contact Why ZITADEL We built ZITADEL to handle the hardest IAM challenges at scale —…
read the full Zitadel overview →
About samlify
samlify · Highly configuarable Node.js SAML 2.0 library for Single Sign On Welcome PRs Welcome all PRs for maintaining this project, or provide a link to the repositories especially for use cases alongside with different frameworks. Installation Multiple schema validators are currently supported by our system, with couple validator modules available and the option to create custom ones. It is essential to utilize the setSchemaValidator function at the outset to avoid errors. Now you can create your own schema validator and even suppress it but you have to take the risk for accepting malicious response…
read the full samlify overview →
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Frequently asked questions
Is Zitadel or samlify more popular?
Zitadel has 15,507 GitHub stars and samlify has 663. Zitadel has the larger community by that measure.
Are Zitadel and samlify free?
Both are open source. Zitadel is licensed under AGPL-3.0 and samlify under MIT. Neither carries a licence fee.
What is the difference between Zitadel and samlify?
Zitadel is written in Go and samlify in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Zitadel or samlify?
Choose Zitadel if you want the larger community (15,507 stars) or its AGPL-3.0 licence terms. Choose samlify if its feature set, stack or MIT licence fits better. Both are self-hostable.