head to head · open source
Langflow vs rnx-kit
Langflow has 155,507 GitHub stars, 10,180 forks, 1,056 open issues and last shipped today. rnx-kit has 1,737 stars, 119 forks, 9 open issues and last shipped today. Langflow leads on adoption by 8,853% (155,507 vs 1,737 stars). Langflow is written in Python under MIT; rnx-kit is written in TypeScript under MIT. Langflow has attracted 7% as many forks as stars, rnx-kit 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
| Langflow | rnx-kit | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 1.7K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-10-05 | 2026-10-05 |
| Forks | ⑂ 10K | ⑂ 119 |
| 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 rnx-kit if
- You want the rnx-kit feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and rnx-kit 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 rnx-kit
rnx kit is a collection of MIT licensed TypeScript tools built by Microsoft engineers for React Native developers who need to manage dependencies, bundle code, and build mobile apps consistently across large projects.
read the full rnx-kit overview →
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Frequently asked questions
Is Langflow or rnx-kit more popular?
Langflow has 155,507 GitHub stars and rnx-kit has 1,737. Langflow has the larger community by that measure.
Are Langflow and rnx-kit free?
Both are open source. Langflow is licensed under MIT and rnx-kit under MIT. Neither carries a licence fee.
What is the difference between Langflow and rnx-kit?
Langflow is written in Python and rnx-kit 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 rnx-kit?
Choose Langflow if you want the larger community (155,507 stars) or its MIT licence terms. Choose rnx-kit if its feature set, stack or MIT licence fits better. Both are self-hostable.