head to head · open source
Langflow vs python-devtools
Langflow has 155,972 GitHub stars, 10,243 forks, 1,056 open issues and last shipped yesterday. python-devtools has 1,107 stars, 54 forks, 27 open issues and last shipped 14 days ago. Langflow leads on adoption by 13,990% (155,972 vs 1,107 stars). Langflow is written in Python under MIT; python-devtools is written in Python under MIT. Langflow has attracted 7% as many forks as stars, python-devtools 5%. 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 | python-devtools | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 1.1K |
| License | MIT | MIT |
| Written in | Python | Python |
| Last push | 2026-10-24 | 2026-10-11 |
| Forks | ⑂ 10K | ⑂ 54 |
| 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 python-devtools if
- You want the python-devtools feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and python-devtools 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 python-devtools
python devtools Python's missing debug print command and other development tools. For more information, see documentation. Install Just If you've got python 3.10+ and pip installed, you're good to go. Usage Outputs: That's only the tip of the iceberg, for example: outputs: Usage without Import devtools can be used without from devtools import debug if you add debug into builtins in sitecustomize.py . For instructions on adding debug to builtins , see the installation docs.
read the full python-devtools overview →
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Frequently asked questions
Is Langflow or python-devtools more popular?
Langflow has 155,972 GitHub stars and python-devtools has 1,107. Langflow has the larger community by that measure.
Are Langflow and python-devtools free?
Both are open source. Langflow is licensed under MIT and python-devtools under MIT. Neither carries a licence fee.
What is the difference between Langflow and python-devtools?
Langflow is written in Python and python-devtools in Python. 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 python-devtools?
Choose Langflow if you want the larger community (155,972 stars) or its MIT licence terms. Choose python-devtools if its feature set, stack or MIT licence fits better. Both are self-hostable.