head to head · open source
react vs Langflow
react has 250,552 GitHub stars, 51,372 forks, 1,377 open issues and last shipped yesterday. Langflow has 154,959 stars, 10,109 forks, 1,056 open issues and last shipped yesterday. react leads on adoption by 62% (250,552 vs 154,959 stars). react is written in JavaScript under MIT; Langflow is written in Python under MIT. react has attracted 21% as many forks as stars, Langflow 7%. react 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
| react | Langflow | |
|---|---|---|
| GitHub stars | ★ 251K | ★ 155K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-09-18 | 2026-09-18 |
| Forks | ⑂ 51K | ⑂ 10K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick react if
- You weight community size — 251K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Langflow if
- You want the Langflow feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and Langflow fits your workflow better
About react
React is a JavaScript library under the MIT licence for building user interfaces, using a declarative, component based model that renders both on the web and, through React Native, on mobile.
read the full react overview →
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 →
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Frequently asked questions
Is react or Langflow more popular?
react has 250,552 GitHub stars and Langflow has 154,959. react has the larger community by that measure.
Are react and Langflow free?
Both are open source. react is licensed under MIT and Langflow under MIT. Neither carries a licence fee.
What is the difference between react and Langflow?
react is written in JavaScript and Langflow in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, react or Langflow?
Choose react if you want the larger community (250,552 stars) or its MIT licence terms. Choose Langflow if its feature set, stack or MIT licence fits better. Both are self-hostable.