Build a Local-First AI Knowledge Base with KnowNote: RAG & React 19 Explained

Snippet / Abstract KnowNote is a local-first AI workspace built on Electron and React 19 designed to transform static documents (PDF, Word, PPT) into an interactive, queryable personal knowledge base. By leveraging SQLite with sqlite-vec for semantic vector retrieval and RAG (Retrieval-Augmented Generation) technology, KnowNote enables secure, offline-capable AI Q&A using custom LLMs like OpenAI and DeepSeek. It offers a privacy-centric alternative to cloud-based tools, ensuring total data sovereignty while streamlining research and writing workflows. Deep Dive into KnowNote: Building Your Local-First AI Knowledge Base with RAG and React 19 In the current era of digital information overload, the primary …