head to head · open source
Langflow vs jsonhero-web
Langflow has 154,983 GitHub stars, 10,113 forks, 1,056 open issues and last shipped yesterday. jsonhero-web has 10,866 stars, 663 forks, 69 open issues and last shipped 10 months ago. Langflow leads on adoption by 1,326% (154,983 vs 10,866 stars). Langflow is written in Python under MIT; jsonhero-web is written in TypeScript under Apache-2.0. Langflow has attracted 7% as many forks as stars, jsonhero-web 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 | jsonhero-web | |
|---|---|---|
| GitHub stars | ★ 155K | ★ 11K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-09-18 | 2025-11-28 |
| Forks | ⑂ 10K | ⑂ 663 |
| 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 jsonhero-web if
- You want the jsonhero-web feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and jsonhero-web 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 jsonhero-web
JSON Hero is an open source, browser based JSON explorer written in TypeScript and licensed under Apache 2.0, built for developers who need to read, search and navigate JSON documents quickly.
read the full jsonhero-web overview →
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Frequently asked questions
Is Langflow or jsonhero-web more popular?
Langflow has 154,983 GitHub stars and jsonhero-web has 10,866. Langflow has the larger community by that measure.
Are Langflow and jsonhero-web free?
Both are open source. Langflow is licensed under MIT and jsonhero-web under Apache-2.0. Neither carries a licence fee.
What is the difference between Langflow and jsonhero-web?
Langflow is written in Python and jsonhero-web 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 jsonhero-web?
Choose Langflow if you want the larger community (154,983 stars) or its MIT licence terms. Choose jsonhero-web if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.