head to head · open source
Langflow vs react-router-devtools
Langflow has 156,078 GitHub stars, 10,254 forks, 1,056 open issues and last shipped yesterday. react-router-devtools has 976 stars, 55 forks, 23 open issues and last shipped 3 months ago. Langflow leads on adoption by 15,892% (156,078 vs 976 stars). Langflow is written in Python under MIT; react-router-devtools is written in TypeScript under MIT. Langflow has attracted 7% as many forks as stars, react-router-devtools 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 | react-router-devtools | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 976 |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-10-28 | 2026-07-28 |
| Forks | ⑂ 10K | ⑂ 55 |
| 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 react-router-devtools if
- You want the react-router-devtools feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and react-router-devtools 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 react-router-devtools
react router devtools react router devtools is an open source package designed to enhance your development workflow when working with React Router v7+, a full stack JavaScript framework for building web applications. This package provides a user friendly interface consisting of three tabs, Active Page , Terminal , Settings , Errors , Network and Routes , along with a side tab called Timeline . With react router devtools, you can efficiently monitor and manage various aspects of your React Router v7+ projects, including page information, URL parameters, server responses, loader data, routes, and more. You can…
read the full react-router-devtools overview →
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Frequently asked questions
Is Langflow or react-router-devtools more popular?
Langflow has 156,078 GitHub stars and react-router-devtools has 976. Langflow has the larger community by that measure.
Are Langflow and react-router-devtools free?
Both are open source. Langflow is licensed under MIT and react-router-devtools under MIT. Neither carries a licence fee.
What is the difference between Langflow and react-router-devtools?
Langflow is written in Python and react-router-devtools 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 react-router-devtools?
Choose Langflow if you want the larger community (156,078 stars) or its MIT licence terms. Choose react-router-devtools if its feature set, stack or MIT licence fits better. Both are self-hostable.