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Langflow

open source / Overall score: 3.7

Low-code visual builder for AI agents and RAG workflows. Components are wired on a drag-and-drop canvas and flows are then exposed as APIs or run as agents. Against the code-first frameworks its differentiator is the visual editor with hundreds of pre-built components, while staying model-agnostic and extensible in Python.

Began as Logspace, was acquired by DataStax in 2024, and is now an IBM company. A managed cloud is sold beside the published platform.

Openness

5 high confidence

5.0

license: MIT(OSI)
source: public
commercial: DataStax-hosted(separate)
core features withheld: no

MIT core, fully open; managed cloud does not gate the OSS core.

https://github.com/langflow-ai/langflow recorded 2026-08-13
MIT license, full public source for the visual agent builder, 153.2k stars and 9.9k forks; the managed cloud is sold beside the published platform
https://raw.githubusercontent.com/langflow-ai/langflow/main/LICENSE recorded 2026-09-29
The LICENSE file is the MIT License: "MIT License" and "Permission is hereby granted, free of charge, to any person obtaining a copy".
https://raw.githubusercontent.com/langflow-ai/langflow/main/README.md recorded 2026-09-29
The README says "Langflow is completely open source and you can deploy it to all major deployment clouds" and lists "Source code access" to customize components; searched for gated editions or license keys: none beyond an "Enterprise-ready" tagline.

Adoption

3 medium confidence

3.0

Langflow ships mainly as a Docker image and a desktop app, so PyPI downloads alone would measure a minority channel. The reading combines Docker Hub pulls with PyPI downloads, and because the Docker count is cumulative it understates the current pace, so real reach is likely higher than shown.

https://hub.docker.com/v2/repositories/langflowai/langflow/ recorded 2026-10-08
"pull_count":4140157 since "date_registered":"2024-04-29", about 141,000 a month as a lifetime average
https://pypistats.org/api/packages/langflow/recent recorded 2026-10-08
"last_month":37742,"last_week":9169

Capability

4 medium confidence

4.0

Mature low-code visual builder (peer to Dify); model/vendor-agnostic.

https://github.com/langflow-ai/langflow recorded 2026-08-13
drag-and-drop flow builder, agent and multi-agent components, MCP, Python-extensible custom components; no benchmark figure
https://raw.githubusercontent.com/langflow-ai/langflow/main/README.md recorded 2026-09-29
The README lists "Multi-agent orchestration" with "conversation management and retrieval" and "Deploy as an MCP server" among its highlight features.
https://www.langflow.org/ recorded 2026-09-29
The homepage offers "Choose from hundreds of pre-built flows and components" in a visual builder.

Verified 2026-09-29