head to head · open source
loopx vs web-builder
loopx has 6,549 GitHub stars, 616 forks, 102 open issues and last shipped yesterday. web-builder has 585 stars, 99 forks, 3 open issues and last shipped 2 months ago. loopx leads on adoption by 1,019% (6,549 vs 585 stars). loopx is written in Python under Apache-2.0; web-builder is written in TypeScript under AGPL-3.0. loopx has attracted 9% as many forks as stars, web-builder 17%. loopx was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-agents), so they are genuine substitutes rather than adjacent tools.
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
| loopx | web-builder | |
|---|---|---|
| GitHub stars | ★ 6.5K | ★ 585 |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-09-12 |
| Forks | ⑂ 616 | ⑂ 99 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick loopx if
- You weight community size — 6.5K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick web-builder if
- You want the web-builder feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and web-builder fits your workflow better
About loopx
LoopX The open, provider neutral, stateful control plane for long horizon agents. Runs on top of Codex, Claude Code, Cursor, and other agent harnesses. LoopX preserves objectives, gates, todos, evidence, quota, and handoffs across turns; the harness executes bounded work. Public website · Blog · Docs · Developer Book · Try LoopX · See real loops · How it works · 简体中文 Open and provider neutral, LoopX is a lightweight state kernel and local first control plane for loop engineering. It runs on top of different agent harnesses rather than replacing them, providing the long horizon state, semantic decisions about…
read the full loopx overview →
About web-builder
信使 Web builder AI 生成UI和工具应用的低代码平台 AI 生成UI和工具应用的低代码平台，国内首款开源的基于 Drupal 作为 Headless 的低代码，基于 TailwindCss，通过拖拽可视化快速构建现代化响应式UI、动态自定义组件、多主题、多语言的网站应用。AI powered UI generation and publishing low code platform, built on TailwindCSS, enabling rapid drag and drop visual creation of modern responsive UIs, dynamic customizable components, multi theme, and multi language web applications. Builder CMS · Web Builder Skills · 信使小程序 · 文档 · 知乎 · Docker 部署 观看演示视频 奥陌陌是已知的第一颗经过太阳系的星际天体，意为"远方信使"。 web builder Builder 预览 Builder Pro 预览 基于AI大模型生成UI、页面和工具应用，欢迎体验。 Web Builder Skills Web Builder Skills 是为 Web Builder 提供的 Claude Code 技能包，覆盖…
read the full web-builder overview →
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Frequently asked questions
Is loopx or web-builder more popular?
loopx has 6,549 GitHub stars and web-builder has 585. loopx has the larger community by that measure.
Are loopx and web-builder free?
Both are open source. loopx is licensed under Apache-2.0 and web-builder under AGPL-3.0. Neither carries a licence fee.
What is the difference between loopx and web-builder?
loopx is written in Python and web-builder 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, loopx or web-builder?
Choose loopx if you want the larger community (6,549 stars) or its Apache-2.0 licence terms. Choose web-builder if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.