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About Flowise
Flowise is an open-source, self-hostable UI for building LangChain AI workflows visually. Connect LLMs, vector stores, memory modules, and tools by dragging components onto a canvas — then deploy as an API or embed as a chatbot widget.
Key Features
- Visual node canvas for building LangChain chains and agents without code
- Pre-built templates for common use cases — RAG chatbots, SQL agents, research assistants
- Embed as a chatbot widget on any website with a single script tag
- Supports OpenAI, Claude, Hugging Face, and local Ollama models
- Document loaders for PDFs, Notion, Confluence, and web scraping
Pricing Structure
- Open Source — $0 — Self-host for free on any cloud or local machine
- Cloud — $35/month — Managed hosting, no setup required, team collaboration
Why People Use It
Flowise is the fastest way to go from LangChain concept to deployed chatbot without writing Python. If you've wanted to build a RAG chatbot over your own documents but don't want to manage code, Flowise makes it a 30-minute drag-and-drop project.