head to head · open source
openseo vs waterfox
openseo has 26,086 GitHub stars, 3,573 forks, 161 open issues and last shipped 3 days ago. waterfox has 6,344 stars, 438 forks, 332 open issues and last shipped 7 days ago. openseo leads on adoption by 311% (26,086 vs 6,344 stars). openseo is written in TypeScript under MIT; waterfox is written in JavaScript under a custom or non-standard licence. openseo has attracted 14% as many forks as stars, waterfox 7%. 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 | waterfox | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 6.3K |
| License | MIT | Custom / other |
| Written in | TypeScript | JavaScript |
| Last push | 2026-10-31 | 2026-10-27 |
| Forks | ⑂ 3.6K | ⑂ 438 |
| 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 waterfox if
- You want the waterfox feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches JavaScript
- You evaluated both and waterfox 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 waterfox
Waterfox Waterfox is a customisable browser based on Mozilla Firefox. This repository contains Mozilla platform code, Waterfox product code, branding, features, packaging, and release files. Building Waterfox uses the Mozilla build system. The usual ./mach entry points apply: Contributing Most Firefox development documentation still applies to this tree. Use the Firefox Source Docs for the shared Mozilla build system, testing tools, and platform code. Resources Waterfox website Firefox Source Docs
read the full waterfox overview →
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Frequently asked questions
Is openseo or waterfox more popular?
openseo has 26,086 GitHub stars and waterfox has 6,344. openseo has the larger community by that measure.
Are openseo and waterfox free?
Both are open source. openseo is licensed under MIT, and waterfox has no licence declared in this registry. Both are free to self-host.
What is the difference between openseo and waterfox?
openseo is written in TypeScript and waterfox in JavaScript. 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 waterfox?
Choose openseo if you want the larger community (26,086 stars) or its MIT licence terms. Choose waterfox if its feature set, stack or Custom / other licence fits better. Both are self-hostable.