FlowiseAI is an open-source UI visual tool that simplifies the process of building customized LLM (Language Model) flows using LangchainJS. It is written in Node Typescript/Javascript and allows users to create their own LLM apps effortlessly. With FlowiseAI, you can see your LLM apps running live, integrate custom components, and explore various LLM chain examples such as QnA retrieval, language translation, and conversational agents with memory. The tool is free for both commercial and personal usage, and it supports Docker for easy deployment. To get started, simply install FlowiseAI with npm.