MemoMate

A web application that streamlines note-taking and summarization powered by AI. Upload documents, create AI chatbots from your notes, and generate diagrams via natural language.

Features

• Note Workspaces — Hierarchical tree-based file/folder organization
• Document Upload — Support for PDF, DOCX, and Excalidraw formats
• AI Chatbot Creation — RAG-based chatbots from uploaded notes
• Diagram Generation — Natural language to Mermaid syntax (flowcharts, Gantt charts)
• Whiteboard — Excalidraw-based collaborative drawing
• Command Bar — kmenu-powered quick actions
• Shareable Bot Links — Create bots from notes and share via unique URLs
• Admin Dashboard — Site metrics, token usage, and user engagement

Technical Highlights

• LangChain + LangGraph for RAG workflow orchestration
• Faiss vector store for similarity search
• OpenAI GPT-4o-mini for chat and diagram generation
• Excalidraw integration for whiteboard functionality
• Redux Toolkit for state management
• AWS EC2 deployment with GitHub Actions CI/CD

Tech Stack

Architecture

User uploads documents (PDF, DOCX)
         ↓
Document Parser (pdf-parse, mammoth)
         ↓
Text Splitter (RecursiveCharacterTextSplitter)
         ↓
Embedding Generator (OpenAI)
         ↓
Faiss Vector Store
         ↓
User chats → Retrieve relevant chunks → LLM generates response