head to head · open source
openseo vs hanko
openseo has 19,046 GitHub stars, 2,447 forks, 161 open issues and last shipped yesterday. hanko has 9,029 stars, 1,016 forks, 64 open issues and last shipped yesterday. openseo leads on adoption by 111% (19,046 vs 9,029 stars). openseo is written in TypeScript under MIT; hanko is written in Go under a custom or non-standard licence. openseo has attracted 13% as many forks as stars, hanko 11%. hanko 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
| openseo | hanko | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 9.0K |
| License | MIT | Custom / other |
| Written in | TypeScript | Go |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.4K | ⑂ 1.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openseo if
- You weight community size — 19K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick hanko if
- You want the hanko feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Go
- You evaluated both and hanko fits your workflow better
About openseo
OpenSEO is an open source SEO tool written in TypeScript under the MIT license. It is an alternative to paid SEO platforms such as Semrush and Ahrefs, and it lives in the open source SEO tooling ecosystem. The project provides a hosted option, self hosting paths, and an MCP server for agent use.
read the full openseo overview →
About hanko
Hanko is an open source authentication and user management backend, written in Go, that gives teams a self hostable or fully managed alternative to Auth0, Clerk, WorkOS and Stytch for adding passwords, passkeys, MFA, social login and enterprise SSO to an application.
read the full hanko overview →
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Frequently asked questions
Is openseo or hanko more popular?
openseo has 19,046 GitHub stars and hanko has 9,029. openseo has the larger community by that measure.
Are openseo and hanko free?
Both are open source. openseo is licensed under MIT, and hanko has no licence declared in this registry. Both are free to self-host.
What is the difference between openseo and hanko?
openseo is written in TypeScript and hanko 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, openseo or hanko?
Choose openseo if you want the larger community (19,046 stars) or its MIT licence terms. Choose hanko if its feature set, stack or Custom / other licence fits better. Both are self-hostable.