head to head · open source
Logto vs Authgear
Logto has 14,840 GitHub stars, 1,211 forks, 183 open issues and last shipped yesterday. Authgear has 2,140 stars, 130 forks, 368 open issues and last shipped 2 days ago. Logto leads on adoption by 593% (14,840 vs 2,140 stars). Logto is written in TypeScript under MPL-2.0; Authgear is written in Go under Apache-2.0. Logto has attracted 8% as many forks as stars, Authgear 6%. Logto was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 5 topic tags (authentication, identity, login, mfa), 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
| Logto | Authgear | |
|---|---|---|
| GitHub stars | ★ 15K | ★ 2.1K |
| License | MPL-2.0 | Apache-2.0 |
| Written in | TypeScript | Go |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 1.2K | ⑂ 130 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Logto if
- You weight community size — 15K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Authgear if
- You want the Authgear 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 Authgear fits your workflow better
About Logto
Logto Logto is the modern, open source auth infrastructure for SaaS and AI apps. It takes the pain out of OIDC and OAuth 2.1 and makes it easy to build secure, production ready auth with multi tenancy, enterprise SSO, and RBAC. website • cloud • docs • api • blog • auth wiki • newsletter Why Logto? Built for teams scaling SaaS, AI, and agent based platforms without the usual auth headaches. With Logto, you get: Multi tenancy, enterprise SSO, and RBAC : ready to use, no workarounds. Pre built sign in flows , customizable UIs, and SDKs for 30+ frameworks. Full support for OIDC, OAuth 2.1, and SAML without the…
read the full Logto overview →
About Authgear
📘 Docs ☁️ SaaS Cloud ✨ Demo 💬 Discord Authgear: Open source alternative to Auth0 / Clerk / Firebase Auth Authgear is an open source extensible turnkey solution for all of your consumer authentication needs. Authgear gets you started in 5 minutes with developer friendly SDKs and a comprehensive portal. Available for self hosting and on Authgear Cloud. With a wide range of out of the box features, it's perfect for SaaS product and multi apps ecosystem, such as: Passwordless login: Magic link/OTP with Email, SMS, WhatsApp Passkeys Pre built signup/login page Pre built user account settings page Biometric Login on…
read the full Authgear overview →
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Frequently asked questions
Is Logto or Authgear more popular?
Logto has 14,840 GitHub stars and Authgear has 2,140. Logto has the larger community by that measure.
Are Logto and Authgear free?
Both are open source. Logto is licensed under MPL-2.0 and Authgear under Apache-2.0. Neither carries a licence fee.
What is the difference between Logto and Authgear?
Logto is written in TypeScript and Authgear 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, Logto or Authgear?
Choose Logto if you want the larger community (14,840 stars) or its MPL-2.0 licence terms. Choose Authgear if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.