head to head · open source
Langflow vs responsively-app
Langflow has 155,275 GitHub stars, 10,149 forks, 1,056 open issues and last shipped yesterday. responsively-app has 25,200 stars, 1,403 forks, 324 open issues and last shipped 7 days ago. Langflow leads on adoption by 516% (155,275 vs 25,200 stars). Langflow is written in Python under MIT; responsively-app is written in TypeScript under AGPL-3.0. Langflow has attracted 7% as many forks as stars, responsively-app 6%. 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 | responsively-app | |
|---|---|---|
| GitHub stars | ★ 155K | ★ 25K |
| License | MIT | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-26 | 2026-09-20 |
| Forks | ⑂ 10K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langflow if
- You weight community size — 155K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick responsively-app if
- You want the responsively-app 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 responsively-app fits your workflow better
About Langflow
Langflow is a visual builder platform for designing, testing, and deploying AI agents and retrieval augmented generation (RAG) pipelines. It lives in the Python based generative AI ecosystem and targets developers building intelligent applications. The project provides a low code interface to assemble components—such as LLMs, vector stores, memory modules, and tools—into executable workflows, while also exposing those workflows as APIs or MCP servers for integration into external applications.
read the full Langflow overview →
About responsively-app
Responsively App is a free, open source modified web browser built on Electron that previews a page at several device sizes at once and mirrors interactions across them, aimed at web developers doing responsive front end work.
read the full responsively-app overview →
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Frequently asked questions
Is Langflow or responsively-app more popular?
Langflow has 155,275 GitHub stars and responsively-app has 25,200. Langflow has the larger community by that measure.
Are Langflow and responsively-app free?
Both are open source. Langflow is licensed under MIT and responsively-app under AGPL-3.0. Neither carries a licence fee.
What is the difference between Langflow and responsively-app?
Langflow is written in Python and responsively-app 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 responsively-app?
Choose Langflow if you want the larger community (155,275 stars) or its MIT licence terms. Choose responsively-app if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.