Second Brain is an innovative platform driven by AI that facilitates research, planning, and productivity by allowing users to create an “AI visual board”—essentially a centralized knowledge repository where various types of content such as documents, articles, videos, audio files, GitHub repositories, websites, and ChatGPT interactions can be uploaded and engaged with through conversation. Utilizing cutting-edge AI technologies like GPT-4.5, Claude, Grok 3, and DeepSeek R1, Second Brain provides features such as quick summarization, searchable Q&A, multilingual communication (for instance, chatting in English while referencing Spanish materials), and the capability to convert text into natural, human-like prose seamlessly. Users can conveniently save AI-generated chat responses as well-organized, shareable pages, enhancing them further with elements like headings, to-do lists, images, code snippets, or hyperlinks. Additionally, a handy Chrome extension allows for the effortless capture of web content, text, images, screenshots, and outputs from ChatGPT with just a single click, streamlining the organization process and enhancing productivity. This integration of various tools makes Second Brain a versatile asset for anyone looking to optimize their knowledge management and creative workflows.