head to head · open source
three.js vs imgui
three.js has 117,496 GitHub stars, 36,861 forks, 386 open issues and last shipped yesterday. imgui has 76,951 stars, 12,101 forks, 1,227 open issues and last shipped yesterday. three.js leads on adoption by 53% (117,496 vs 76,951 stars). three.js is written in JavaScript under MIT; imgui is written in C++ under MIT. three.js has attracted 31% as many forks as stars, imgui 16%. 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 | imgui | |
|---|---|---|
| GitHub stars | ★ 117K | ★ 77K |
| License | MIT | MIT |
| Written in | JavaScript | C++ |
| Last push | 2026-11-03 | 2026-11-03 |
| Forks | ⑂ 37K | ⑂ 12K |
| 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 imgui if
- You want the imgui feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C++
- You evaluated both and imgui 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 imgui
Dear ImGui ===== "Give someone state and they'll have a bug one day, but teach them how to represent state in two separate locations that have to be kept in sync and they'll have bugs for a lifetime." ryg (This library is available under a free and permissive license, but needs financial support to sustain its continued improvements. In addition to maintenance and stability there are many desirable features yet to be added. If your company is using Dear ImGui, please consider reaching out.) Businesses: support continued development and maintenance via invoiced sponsoring/support contracts: E mail: contact @…
read the full imgui overview →
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Frequently asked questions
Is three.js or imgui more popular?
three.js has 117,496 GitHub stars and imgui has 76,951. three.js has the larger community by that measure.
Are three.js and imgui free?
Both are open source. three.js is licensed under MIT and imgui under MIT. Neither carries a licence fee.
What is the difference between three.js and imgui?
three.js is written in JavaScript and imgui in C++. 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 imgui?
Choose three.js if you want the larger community (117,496 stars) or its MIT licence terms. Choose imgui if its feature set, stack or MIT licence fits better. Both are self-hostable.