head to head · open source
Logto vs Authgear
Logto has 14,599 GitHub stars, 1,212 forks, 183 open issues and last shipped today. Authgear has 2,055 stars, 125 forks, 368 open issues and last shipped 2 days ago. Logto leads on adoption by 610% (14,599 vs 2,055 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 | 2026-09-20 | 2026-09-18 |
| Forks | ⑂ 1.2K | ⑂ 125 |
| 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 is an open source authentication and authorization infrastructure for SaaS and AI applications. It is written in TypeScript, licensed under MPL 2.0, and positioned as an open alternative to Auth0. The project sits in the identity and access management ecosystem, where it provides a central service for login, consent, tokens, user directories, and access control.
read the full Logto overview →
About Authgear
Authgear is open source identity and access management platform. It is managed identity platform for any app. It is open source Auth0, Clerk, Firebase Auth alternative. It is written in Go, licensed Apache 2.0, and lives in identity and access management ecosystem.
read the full Authgear overview →
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Frequently asked questions
Is Logto or Authgear more popular?
Logto has 14,599 GitHub stars and Authgear has 2,055. 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 (14,599 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.