head to head · open source
react vs Langflow
react has 252,080 GitHub stars, 51,601 forks, 1,377 open issues and last shipped 3 days ago. Langflow has 156,239 stars, 10,307 forks, 1,056 open issues and last shipped yesterday. react leads on adoption by 61% (252,080 vs 156,239 stars). react is written in JavaScript under MIT; Langflow is written in Python under MIT. react has attracted 20% as many forks as stars, Langflow 7%. 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
| react | Langflow | |
|---|---|---|
| GitHub stars | ★ 252K | ★ 156K |
| License | MIT | MIT |
| Written in | JavaScript | Python |
| Last push | 2026-10-31 | 2026-11-02 |
| Forks | ⑂ 52K | ⑂ 10K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick react if
- You weight community size — 252K 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 · React is a JavaScript library for building user interfaces. Declarative: React makes it painless to create interactive UIs. Design simple views for each state in your application, and React will efficiently update and render just the right components when your data changes. Declarative views make your code more predictable, simpler to understand, and easier to debug. Component Based: Build encapsulated components that manage their own state, then compose them to make complex UIs. Since component logic is written in JavaScript instead of templates, you can easily pass rich data through your app and…
read the full react overview →
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 →
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Frequently asked questions
Is react or Langflow more popular?
react has 252,080 GitHub stars and Langflow has 156,239. 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 (252,080 stars) or its MIT licence terms. Choose Langflow if its feature set, stack or MIT licence fits better. Both are self-hostable.