"Everything students need. One place."

Just4U is a verified student ecosystem that brings academic resources, student discovery, study partners, travel buddies, event companions, digital student ID, college documents and other everyday student utilities into one personalized platform.

• Key Capabilities:
  • 🎓 Verified Student Identity: Authenticated collegiate domain verification (@btech.christuniversity.in) with real-time OTP issuance and secure JWT cookie sessions.
  • 🤝 Skill-Based Teammate Finder: Multi-attribute compatibility matching across programming languages, project stacks, and graduation years.
  • 📚 Academic Resource Hub: Centralized, filterable catalog of previous-year question papers (PYQs) with PDF previews and download tracking.
  • 🧠 AI Topic Explainer: Syllabus concept break-down offering analogies, mathematical proofs, exam-oriented rubrics, and interactive quizzes.
  • 👥 Study Partner Finder: Syllabus-aligned study buddy discovery matching compatible study styles (Deep Focus, Discussion, Problem Solving).
  • 🚍 Privacy-Conscious Travel Buddy: Metro and bus transit corridor co-traveler matching without exposing private residential addresses.
  • 🎟️ Event Buddy: Campus fests, hackathons, and symposium discovery with built-in companion matching so students never attend events alone.
  • 🪪 Digital Student ID: Holographic 3D card tilt with cryptographic anti-tamper QR pass and library barcode.
  • 📄 College Documents & Forms: Searchable clearinghouse of official university forms with required attachment guidelines.
  • 🛡️ Admin Control System: Role-guarded administration portal for curriculum management and campus safety moderation.
• Tech Stack: Next.js 15 (App Router) React 19 TypeScript 5 Tailwind CSS Framer Motion JWT Auth Atomic Store
• Access: 🌐 Live Demo  |  📦 Repository

"You write the person you want to become — then build your life toward that declaration."

• Architecture: Private personal-growth operating system centered around identity declaration, reflective journaling, identity-linked goals, time capsules, evidence-based insights, and a context-grounded AI Future Self persona.
• Capabilities: Declarative 7-step onboarding, Future Self persona generation, Talk to Future You chat workspace with vector cosine memory retriever, 2-minute daily evening reflection, sealed time capsules with locked server-side protection, becoming timeline documentary, and memory sovereignty controls.
• Tech Stack: Next.js 14 (App Router) TypeScript 5.5 Tailwind CSS Prisma ORM SQLite / PostgreSQL Vitest GitHub Actions
• Access: 🌐 Live Application  |  📦 Source Code  |  🏷️ v1.0.0 Release

"Measure software. Understand impact. Build greener software."

• Architecture: Production-grade full-stack Software Sustainability Intelligence Platform that calculates a deterministic 0–100 Sustainability Score across 6 multi-factor architectural dimensions (Energy, Compute, Memory, Network, Storage, Carbon).
• Capabilities: Real-time What-If Simulation Engine, 7-step progressive telemetry calculator, sprint timeline benchmarks ($v1.0 \to v1.1 \to v1.2$), and print/PDF audit reports.
• Tech Stack: Next.js 14 (App Router) TypeScript 5.5 Tailwind CSS Prisma ORM Vitest GitHub Actions
• Access: 🌐 Live Platform  |  📦 Source Code

"Next-generation spatial audio workstation and interactive web OS interface."

• Architecture: Browser-native spatial audio workstation and operating system interface built on the Web Audio API audio graph with real-time frequency visualizers.
• Capabilities: Multi-window audio management, signal synthesis with dynamic gain/panning nodes, spectrum analyzers, and state persistence.
• Tech Stack: Next.js 16 (Turbopack) React 19 TypeScript Web Audio API Zustand Tailwind CSS 4
• Access: 🌐 Live Preview  |  📦 Source Code

"Cinematic engineering portfolio with real-time 3D graphics and glassmorphism."

• Architecture: High-performance 3D canvas portfolio platform powered by Three.js shaders, React Three Fiber, and hardware-accelerated micro-animations.
• Capabilities: Real-time WebGL Aurora shaders, glassmorphic depth layers, smooth Lenis momentum scrolling, and responsive viewport geometry.
• Tech Stack: Vite 8 React 19 Three.js React Three Fiber GSAP Framer Motion Tailwind CSS 4
• Access: 🌐 Live Preview  |  📦 Source Code

"Interactive CPU process scheduling and virtual memory allocation simulator."

• Architecture: Interactive operating systems simulation studio that constructs real-time animated Gantt charts and performance telemetry for scheduling algorithms.
• Capabilities: FCFS, SJF (Preemptive & Non-Preemptive), Round Robin with dynamic Time Quantum, and comparative Average Turnaround Time (TAT) computation.
• Tech Stack: JavaScript (ES6+) HTML5 Canvas CSS3 Glassmorphic UI IBM Plex Mono
• Access: 🌐 Live Preview  |  📦 Source Code

"Socket programming, frame transmission and packet-loss simulation in C."

• Architecture: Dual-layer networking lab featuring an interactive web-based protocol pipeline visualizer alongside native POSIX C socket client/server binaries.
• Capabilities: Alternating sequence bit control ($0/1$), frame timeout timers, dynamic acknowledgement verification, and stochastic packet drop emulation ($0%–60%$).
• Tech Stack: C (POSIX Sockets) Make JavaScript (ES6+) HTML5 Canvas CSS3 Design System
• Access: 🌐 Live Preview  |  📦 Source Code

"An immersive, distraction-free digital reading experience for an original novel."

• Architecture: Editorial digital reading web application that surrounds the original manuscript with high-DPI vector rendering and distraction-free focus modes.
• Capabilities: PDF.js vector rendering engine, mobile touch swipe gestures, chapter quick-jump drawer, and LocalStorage reading position persistence.
• Tech Stack: HTML5 JavaScript (ES Modules) PDF.js v3.11 CSS3 Luxury Editorial System
• Access: 🌐 Live Preview  |  📦 Source Code

┌─────────────────────────┬─────────────────────────────────────────────────────────────┐
│ Category                │ Technologies & Tools                                        │
├─────────────────────────┼─────────────────────────────────────────────────────────────┤
│ Languages               │ TypeScript • JavaScript (ESNext) • Python • C • SQL • HTML5 │
│ Frameworks & Runtimes   │ Next.js 16/14 • React 19 • Node.js • Express • Vite • Bun   │
│ Data & Persistence      │ PostgreSQL • SQLite • Prisma ORM • Redis                    │
│ 3D & Audio Systems      │ Three.js • React Three Fiber • Web Audio API • GSAP • Motion│
│ Styling & Design        │ Tailwind CSS 4/3 • Glassmorphism Tokens • CSS Custom Props │
│ DevOps & Quality        │ Git • GitHub Actions CI/CD • Linux / POSIX • Vitest • Docker│
└─────────────────────────┴─────────────────────────────────────────────────────────────┘

• 🌿 Green Software Foundation (GSF): Implementing real-time Software Carbon Intensity (SCI) telemetry and grid-aware execution scheduling.
• ⚡ Edge Computing & WebAssembly: Exploring sub-millisecond client-side compute runtimes for low-latency simulation engines.
• 🛠️ Deterministic Developer Tooling: Autonomous verification engines, AST static code analysis, and high-performance developer workflows.