head to head · open source
Langflow vs ToolJet
Langflow has 154,943 GitHub stars, 10,108 forks, 1,056 open issues and last shipped yesterday. ToolJet has 40,936 stars, 5,448 forks, 1,204 open issues and last shipped yesterday. Langflow leads on adoption by 279% (154,943 vs 40,936 stars). Langflow is written in Python under MIT; ToolJet is written in JavaScript under AGPL-3.0. Langflow has attracted 7% as many forks as stars, ToolJet 13%. 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 | ToolJet | |
|---|---|---|
| GitHub stars | ★ 155K | ★ 41K |
| License | MIT | AGPL-3.0 |
| Written in | Python | JavaScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 10K | ⑂ 5.4K |
| 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 ToolJet if
- You want the ToolJet feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and ToolJet 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 ToolJet
ToolJet is an open source low code platform for building internal tools—admin panels, dashboards, and operational applications—by connecting to existing databases, APIs, and SaaS systems. It lives in the JavaScript ecosystem and is licensed under AGPL 3.0.
read the full ToolJet overview →
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Frequently asked questions
Is Langflow or ToolJet more popular?
Langflow has 154,943 GitHub stars and ToolJet has 40,936. Langflow has the larger community by that measure.
Are Langflow and ToolJet free?
Both are open source. Langflow is licensed under MIT and ToolJet under AGPL-3.0. Neither carries a licence fee.
What is the difference between Langflow and ToolJet?
Langflow is written in Python and ToolJet 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 ToolJet?
Choose Langflow if you want the larger community (154,943 stars) or its MIT licence terms. Choose ToolJet if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.