Langflow
Langflow (DataStax)Open-source, low-code visual builder for AI agents and RAG/workflow applications. You wire components on a drag-and-drop canvas, then expose flows as APIs or run them as agents. Its differentiator vs code-first peers (LangChain, LlamaIndex) is the visual editor with hundreds of pre-built components, while staying model-agnostic and Python-extensible.
MIT. ~150k stars, ~71k PyPI downloads/month. Began as Logspace; acquired by DataStax (2024), now an IBM company (IBM->DataStax announced Feb 2025); IBM committed to the OSS community. Commercial managed cloud exists but does not gate the core.
Openness
5 high confidence- license
- MIT(OSI)
- source
- public
- commercial
- DataStax-hosted(separate)
- core-gated
- ungated
MIT core, fully open; managed cloud does not gate the OSS core.
- https://github.com/langflow-ai/langflow recorded 2026-06-18
MIT, ~149.8k stars, visual agent builder
Adoption
4 medium confidence~150k stars and ~71k PyPI downloads/month (modest pip volume; mostly Docker/desktop).
- https://pypi.org/project/langflow/ recorded 2026-06-18
package langflow, MIT
Capability
4 medium confidenceMature low-code visual builder (peer to Dify); model/vendor-agnostic.
- https://www.langflow.org/ recorded 2026-06-18
visual low-code agent/RAG builder
Unchanged since 2026-07-30 (last edited, not re-checked)