head to head · open source
Langflow vs jsonhero-web
Langflow has 156,266 GitHub stars, 10,311 forks, 1,056 open issues and last shipped yesterday. jsonhero-web has 10,884 stars, 665 forks, 69 open issues and last shipped 11 months ago. Langflow leads on adoption by 1,336% (156,266 vs 10,884 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 | ★ 156K | ★ 11K |
| License | MIT | Apache-2.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2025-11-28 |
| Forks | ⑂ 10K | ⑂ 665 |
| 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 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 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 jsonhero-web
Brought to you by Trigger.dev JSON Hero was created and is maintained by the team behind Trigger.dev. With Trigger.dev you can trigger workflows from APIs, on a schedule, or on demand. We make API calls easy with authentication handled for you, and you can add durable delays that survive server restarts. JSON Hero JSON Hero makes reading and understand JSON files easy by giving you a clean and beautiful UI packed with extra features. View JSON any way you'd like: Column View, Tree View, Editor View, and more. Automatically infers the contents of strings and provides useful previews Creates an inferred JSON…
read the full jsonhero-web overview →
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Frequently asked questions
Is Langflow or jsonhero-web more popular?
Langflow has 156,266 GitHub stars and jsonhero-web has 10,884. 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 (156,266 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.