head to head · open source
web-builder vs f-flow
web-builder has 585 GitHub stars, 99 forks, 3 open issues and last shipped 2 months ago. f-flow has 541 stars, 66 forks, 10 open issues and last shipped 11 days ago. web-builder leads on adoption by 8% (585 vs 541 stars). web-builder is written in TypeScript under AGPL-3.0; f-flow is written in TypeScript under MIT. web-builder has attracted 17% as many forks as stars, f-flow 12%. f-flow was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (angular), 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
| web-builder | f-flow | |
|---|---|---|
| GitHub stars | ★ 585 | ★ 541 |
| License | AGPL-3.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-12 | 2026-10-25 |
| Forks | ⑂ 99 | ⑂ 66 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick web-builder if
- You weight community size — 585 stars and counting
- You want the AGPL-3.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick f-flow if
- You want the f-flow feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and f-flow fits your workflow better
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 →
About f-flow
Foblex Flow The most adopted node editor library for Angular — for production workflow builders, AI pipelines, and interactive diagram editors. Foblex Flow ships the hard parts of a production node editor — drag logic, hit testing, SVG connection paths, reassign, selection, zoom, and undo/redo — as Angular native building blocks. Begin with f flow , f canvas , nodes, and connections, then add richer editor features only when your product needs them. It powers production products such as Luware Nimbus, ProcessMIX, XpertAI, and EpicStaff. Use it to create workflow builders, AI low code tools, call flow editors…
read the full f-flow overview →
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Frequently asked questions
Is web-builder or f-flow more popular?
web-builder has 585 GitHub stars and f-flow has 541. web-builder has the larger community by that measure.
Are web-builder and f-flow free?
Both are open source. web-builder is licensed under AGPL-3.0 and f-flow under MIT. Neither carries a licence fee.
What is the difference between web-builder and f-flow?
web-builder is written in TypeScript and f-flow 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, web-builder or f-flow?
Choose web-builder if you want the larger community (585 stars) or its AGPL-3.0 licence terms. Choose f-flow if its feature set, stack or MIT licence fits better. Both are self-hostable.