head to head · open source
Langflow vs HeyForm
Langflow has 156,266 GitHub stars, 10,311 forks, 1,056 open issues and last shipped yesterday. HeyForm has 9,063 stars, 728 forks, 10 open issues and last shipped yesterday. Langflow leads on adoption by 1,624% (156,266 vs 9,063 stars). Langflow is written in Python under MIT; HeyForm is written in TypeScript under AGPL-3.0. Langflow has attracted 7% as many forks as stars, HeyForm 8%. Langflow 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
| Langflow | HeyForm | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 9.1K |
| License | MIT | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 728 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langflow if
- You weight community size — 156K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick HeyForm if
- You want the HeyForm 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 HeyForm fits your workflow better
About Langflow
Langflow is a powerful platform for building and deploying AI powered agents and workflows. It provides developers with both a visual authoring experience and built in API and MCP servers that turn every workflow into a tool that can be integrated into applications built on any framework or stack. Langflow comes with batteries included and supports all major LLMs, vector databases and a growing library of AI tools. ✨ Highlight features Visual builder interface to quickly get started and iterate. Source code access lets you customize any component using Python. Interactive playground to immediately test and…
read the full Langflow overview →
About HeyForm
Open source form builder, built for small business success Website Documentation Blog Features HeyForm simplifies the creation of conversational forms, making it accessible for anyone to gather information or feedback through engaging surveys, quizzes, and polls. We are committed to enhancing HeyForm with regular updates, including bug fixes, new features, and performance improvements. Build Forms with Ease Versatile Inputs : From basic text, email, and phone number fields to advanced options like picture choices, date pickers, and file uploads, HeyForm supports a wide array of input types. Smart Logic…
read the full HeyForm overview →
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Frequently asked questions
Is Langflow or HeyForm more popular?
Langflow has 156,266 GitHub stars and HeyForm has 9,063. Langflow has the larger community by that measure.
Are Langflow and HeyForm free?
Both are open source. Langflow is licensed under MIT and HeyForm under AGPL-3.0. Neither carries a licence fee.
What is the difference between Langflow and HeyForm?
Langflow is written in Python and HeyForm 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, Langflow or HeyForm?
Choose Langflow if you want the larger community (156,266 stars) or its MIT licence terms. Choose HeyForm if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.