head to head · open source
openseo vs tolgee
openseo has 19,046 GitHub stars, 2,447 forks, 161 open issues and last shipped yesterday. tolgee has 4,102 stars, 368 forks, 193 open issues and last shipped yesterday. openseo leads on adoption by 364% (19,046 vs 4,102 stars). openseo is written in TypeScript under MIT; tolgee is written in TypeScript under a custom or non-standard licence. openseo has attracted 13% as many forks as stars, tolgee 9%. openseo 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 | tolgee | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 4.1K |
| License | MIT | Custom / other |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.4K | ⑂ 368 |
| 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 tolgee if
- You want the tolgee feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches TypeScript
- You evaluated both and tolgee 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 tolgee
Tolgee is an open source web based localization platform for software projects. It lives in the JavaScript and TypeScript web application ecosystem, with topics that include Angular, React, Svelte, i18next, internationalization, localization, and translation.
read the full tolgee overview →
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Frequently asked questions
Is openseo or tolgee more popular?
openseo has 19,046 GitHub stars and tolgee has 4,102. openseo has the larger community by that measure.
Are openseo and tolgee free?
Both are open source. openseo is licensed under MIT, and tolgee has no licence declared in this registry. Both are free to self-host.
What is the difference between openseo and tolgee?
openseo is written in TypeScript and tolgee 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, openseo or tolgee?
Choose openseo if you want the larger community (19,046 stars) or its MIT licence terms. Choose tolgee if its feature set, stack or Custom / other licence fits better. Both are self-hostable.