head to head · open source
Langflow vs portal
Langflow has 156,024 GitHub stars, 10,246 forks, 1,056 open issues and last shipped yesterday. portal has 1,039 stars, 93 forks, 16 open issues and last shipped 4 days ago. Langflow leads on adoption by 14,917% (156,024 vs 1,039 stars). Langflow is written in Python under MIT; portal is written in Clojure under MIT. Langflow has attracted 7% as many forks as stars, portal 9%. 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 | portal | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 1.0K |
| License | MIT | MIT |
| Written in | Python | Clojure |
| Last push | 2026-10-26 | 2026-10-23 |
| Forks | ⑂ 10K | ⑂ 93 |
| 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 portal if
- You want the portal feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Clojure
- You evaluated both and portal 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 portal
portal A clojure tool to navigate through your data. [![cljdoc][cljdoc badge]][cljdoc] [![Clojars Project][clojars badge]][clojars] [![PyPI][pypi badge]][pypi] [![VS Code Extension][vscode badge]][vscode] [![Version][intellij badge]][intellij] [![Get help on Slack][clojurians badge]][clojurians] The portal UI can be used to inspect values of various shapes and sizes. The UX will probably evolve over time and user feedback is welcome! For an in depth explanation of the UI, you can jump to the [UI][ui concepts] docs. Demo To get an overview of the Portal UI and workflow, checkout the following recording of a [live…
read the full portal overview →
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Frequently asked questions
Is Langflow or portal more popular?
Langflow has 156,024 GitHub stars and portal has 1,039. Langflow has the larger community by that measure.
Are Langflow and portal free?
Both are open source. Langflow is licensed under MIT and portal under MIT. Neither carries a licence fee.
What is the difference between Langflow and portal?
Langflow is written in Python and portal in Clojure. 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 portal?
Choose Langflow if you want the larger community (156,024 stars) or its MIT licence terms. Choose portal if its feature set, stack or MIT licence fits better. Both are self-hostable.