head to head · open source
openseo vs proton-lumo
openseo has 26,086 GitHub stars, 3,573 forks, 161 open issues and last shipped 3 days ago. proton-lumo has 5,675 stars, 741 forks, 155 open issues and last shipped yesterday. openseo leads on adoption by 360% (26,086 vs 5,675 stars). openseo is written in TypeScript under MIT; proton-lumo is written in TypeScript under GPL-3.0. openseo has attracted 14% as many forks as stars, proton-lumo 13%. proton-lumo 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 | proton-lumo | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 5.7K |
| License | MIT | GPL-3.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-31 | 2026-11-02 |
| Forks | ⑂ 3.6K | ⑂ 741 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openseo if
- You weight community size — 26K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick proton-lumo if
- You want the proton-lumo feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and proton-lumo fits your workflow better
About openseo
OpenSEO Open source alternative to Semrush and Ahrefs OpenSEO is an SEO tool for the people . If tools like Semrush or Ahrefs are too expensive or bloated, OpenSEO is a pay as you go alternative that you actually control. All in one SEO tool for you and your AI agent. Connect with any agent like Claude Code, OpenClaw or Hermes. We have pre built skills, but you can build your own to tailor OpenSEO to your needs. Hosted Version Try OpenSEO for free on our website. If you want to support the project, a hosted subscription is $10/month. openseo.so Why use OpenSEO? Best in class MCP and AI Skills. Modern, simple UI…
read the full openseo overview →
About proton-lumo
Web clients This project is a monorepo hosting the Proton web clients. It includes the web applications, their dependencies & shared modules as well as all tooling surrounding development of the web clients (as well as some additional miscellaneous things). Proton Mail Proton Calendar Proton Drive Proton Account Proton VPN Proton Pass Proton Wallet Proton Lumo Proton Meet Technically, this monorepo is based on Yarn & Yarn Workspaces, with unified versioning for all packages inside. Getting Started Prerequisites You'll need to have the following environment to work with this project: Node.js LTS Yarn 4 git See…
read the full proton-lumo overview →
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Frequently asked questions
Is openseo or proton-lumo more popular?
openseo has 26,086 GitHub stars and proton-lumo has 5,675. openseo has the larger community by that measure.
Are openseo and proton-lumo free?
Both are open source. openseo is licensed under MIT and proton-lumo under GPL-3.0. Neither carries a licence fee.
What is the difference between openseo and proton-lumo?
openseo is written in TypeScript and proton-lumo 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 proton-lumo?
Choose openseo if you want the larger community (26,086 stars) or its MIT licence terms. Choose proton-lumo if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.