head to head · open source
Langflow vs Chartbrew
Langflow has 154,943 GitHub stars, 10,108 forks, 1,056 open issues and last shipped yesterday. Chartbrew has 4,059 stars, 455 forks, 5 open issues and last shipped yesterday. Langflow leads on adoption by 3,717% (154,943 vs 4,059 stars). Langflow is written in Python under MIT; Chartbrew is written in JavaScript under a custom or non-standard licence. Langflow has attracted 7% as many forks as stars, Chartbrew 11%. 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 | Chartbrew | |
|---|---|---|
| GitHub stars | ★ 155K | ★ 4.1K |
| License | MIT | Custom / other |
| Written in | Python | JavaScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 10K | ⑂ 455 |
| 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 Chartbrew if
- You want the Chartbrew feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches JavaScript
- You evaluated both and Chartbrew 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 Chartbrew
Chartbrew is an open source web application for building and sharing live data dashboards. It sits in the JavaScript developer tools ecosystem and connects directly to APIs, SQL databases, and NoSQL databases so users can turn query results and request responses into charts. The project provides a chart builder, editable dashboards, embeddable charts, a query and request editor, team capabilities, scheduling, and an AI assistant.
read the full Chartbrew overview →
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Frequently asked questions
Is Langflow or Chartbrew more popular?
Langflow has 154,943 GitHub stars and Chartbrew has 4,059. Langflow has the larger community by that measure.
Are Langflow and Chartbrew free?
Both are open source. Langflow is licensed under MIT, and Chartbrew has no licence declared in this registry. Both are free to self-host.
What is the difference between Langflow and Chartbrew?
Langflow is written in Python and Chartbrew in JavaScript. 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 Chartbrew?
Choose Langflow if you want the larger community (154,943 stars) or its MIT licence terms. Choose Chartbrew if its feature set, stack or Custom / other licence fits better. Both are self-hostable.