head to head · open source
Langflow vs puppeteer
Langflow has 156,266 GitHub stars, 10,311 forks, 1,056 open issues and last shipped yesterday. puppeteer has 95,791 stars, 9,600 forks, 259 open issues and last shipped yesterday. Langflow leads on adoption by 63% (156,266 vs 95,791 stars). Langflow is written in Python under MIT; puppeteer is written in TypeScript under Apache-2.0. Langflow has attracted 7% as many forks as stars, puppeteer 10%. puppeteer 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 | puppeteer | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 96K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 9.6K |
| 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 puppeteer if
- You want the puppeteer feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and puppeteer 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 puppeteer
Puppeteer Puppeteer is a JavaScript library which provides a high level API to control Chrome or Firefox over the DevTools Protocol or WebDriver BiDi. Puppeteer runs in the headless (no visible UI) by default Get started API FAQ Contributing Troubleshooting Installation :::note Modern package managers (including npm (see the RFC), pnpm, Yarn, Bun, and Deno) block dependency install scripts by default. If the install script is blocked, Puppeteer will not download the browser during installation, leading to runtime errors. You can manually download the required browsers after installation by running…
read the full puppeteer overview →
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Frequently asked questions
Is Langflow or puppeteer more popular?
Langflow has 156,266 GitHub stars and puppeteer has 95,791. Langflow has the larger community by that measure.
Are Langflow and puppeteer free?
Both are open source. Langflow is licensed under MIT and puppeteer under Apache-2.0. Neither carries a licence fee.
What is the difference between Langflow and puppeteer?
Langflow is written in Python and puppeteer 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 puppeteer?
Choose Langflow if you want the larger community (156,266 stars) or its MIT licence terms. Choose puppeteer if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.