head to head · open source
three.js vs openseo
three.js has 117,439 GitHub stars, 36,894 forks, 386 open issues and last shipped yesterday. openseo has 26,086 stars, 3,573 forks, 161 open issues and last shipped 3 days ago. three.js leads on adoption by 350% (117,439 vs 26,086 stars). three.js is written in JavaScript under MIT; openseo is written in TypeScript under MIT. three.js has attracted 31% as many forks as stars, openseo 14%. three.js 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
| three.js | openseo | |
|---|---|---|
| GitHub stars | ★ 117K | ★ 26K |
| License | MIT | MIT |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-10-31 |
| Forks | ⑂ 37K | ⑂ 3.6K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick three.js if
- You weight community size — 117K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick openseo if
- You want the openseo feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and openseo fits your workflow better
About three.js
three.js [![NPM Package][npm]][npm url] [![Build Size][build size]][build size url] [![NPM Downloads][npm downloads]][npmtrends url] [![jsDelivr Downloads][jsdelivr downloads]][jsdelivr url] [![Discord][discord]][discord url] JavaScript 3D library The aim of the project is to create an easy to use, lightweight, cross browser, general purpose 3D library. The current builds only include WebGL and WebGPU renderers but SVG and CSS3D renderers are also available as addons. Examples — Docs — Manual — Wiki — Migrating — Questions — Forum — Discord Usage This code creates a…
read the full three.js overview →
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 →
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Frequently asked questions
Is three.js or openseo more popular?
three.js has 117,439 GitHub stars and openseo has 26,086. three.js has the larger community by that measure.
Are three.js and openseo free?
Both are open source. three.js is licensed under MIT and openseo under MIT. Neither carries a licence fee.
What is the difference between three.js and openseo?
three.js is written in JavaScript and openseo 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, three.js or openseo?
Choose three.js if you want the larger community (117,439 stars) or its MIT licence terms. Choose openseo if its feature set, stack or MIT licence fits better. Both are self-hostable.