head to head · open source
three.js vs keploy
three.js has 117,439 GitHub stars, 36,894 forks, 386 open issues and last shipped yesterday. keploy has 19,103 stars, 2,446 forks, 725 open issues and last shipped yesterday. three.js leads on adoption by 515% (117,439 vs 19,103 stars). three.js is written in JavaScript under MIT; keploy is written in Go under Apache-2.0. three.js has attracted 31% as many forks as stars, keploy 13%. keploy 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 | keploy | |
|---|---|---|
| GitHub stars | ★ 117K | ★ 19K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 37K | ⑂ 2.4K |
| 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 keploy if
- You want the keploy feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and keploy 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 keploy
⚡️ API tests faster than unit tests, from user traffic ⚡️ 🌟 The must have tool for developers in the AI Gen era for 90% test coverage 🌟 Keploy is a developer‑centric API and integration testing tool that auto‑generates tests and data‑mocks faster than unit tests. It records API calls, database queries, and streaming events — then replays them as tests. Under the hood, Keploy uses eBPF to capture traffic at the network layer, but for you it’s completely code‑less and language‑agnostic . 🐰 Fun fact: Keploy uses itself for testing! Check out our swanky coverage badge: Key Highlights 🎯 No code changes Just run…
read the full keploy overview →
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Frequently asked questions
Is three.js or keploy more popular?
three.js has 117,439 GitHub stars and keploy has 19,103. three.js has the larger community by that measure.
Are three.js and keploy free?
Both are open source. three.js is licensed under MIT and keploy under Apache-2.0. Neither carries a licence fee.
What is the difference between three.js and keploy?
three.js is written in JavaScript and keploy in Go. 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 keploy?
Choose three.js if you want the larger community (117,439 stars) or its MIT licence terms. Choose keploy if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.