A web app for students to upload, share, and request notes. Designed for SVVV students with real-time features and exam-time peak usage handling. Tech Stack: Node.js, Express, MongoDB, EJS, Cloudinary, Render Impact: 300+ active users in < 1 month 180+ notes uploaded 7.5k+ downloads (5k unique). Deployment: Hosted on Render (backend) + Cloudinary (storage, ~15GB used during peak)