A digital attendance automation platform for colleges and institutions that replaces manual registers with QR code and OTP-based attendance marking. Admins, faculty, and students each have role-specific dashboards with analytics and automated email/SMS alerts for absenteeism.
A secure core banking simulation platform with multi-account management, fund transfers (IMPS/NEFT simulation), fixed deposit management, and a full admin dashboard. Implements industry-standard security including JWT auth, BCrypt password hashing, and transaction audit logs.
A complete online shopping platform built on Spring Boot with a product catalogue, cart, order management, and payment gateway simulation. A Python-based collaborative filtering recommendation engine runs as a microservice and personalises product suggestions per user.
A comprehensive hospital workflow management system covering patient registration, doctor scheduling, billing, and medical record keeping. Includes role-based access for doctors, nurses, billing staff, and admins with HIPAA-compliant data handling patterns.
A full-featured job marketplace where employers post vacancies, candidates upload resumes and apply, and admins moderate all listings. Includes keyword-based job search, application tracking system (ATS), and automated email notifications for shortlisting.
A warehouse and stock management system with barcode-based product tracking, supplier management, automated reorder alerts, and comprehensive stock movement reports. Designed for SME retail and warehouse operations.
An e-learning platform where instructors create courses with video lectures, quizzes, and assignments. Students enrol, track progress, and receive completion certificates. Includes a discussion forum and an admin portal for content moderation.
A property listing and search platform where sellers list properties with photos and details, buyers browse and filter by location/price/type, and agents manage enquiries. Includes an integrated appointment scheduler and map view.
An Indian Railways-inspired ticket reservation system with train search, seat availability checking, PNR management, ticket booking/cancellation, and an admin panel for train schedule management. Implements concurrency control for simultaneous bookings.
A comprehensive digital library management system covering book cataloguing, member registration, book issue/return tracking, fine calculation, and an OPAC (Online Public Access Catalogue) for students to search available books.
A digital blood bank system that manages donor registration, blood inventory by type and expiry, hospital donation requests, cross-matching, and emergency alerts. Includes a donor search map and WhatsApp notification for urgent requests.
A complete HR payroll system that manages employee records, attendance integration, salary computation (CTC breakdown, TDS, PF, ESI), payslip generation, and annual tax documents. Designed for SME HR departments.
A social networking platform with user profiles, post creation (text/images), follow/follower system, real-time feed, likes, comments, and a notification engine. Implements hashtag search and a basic content moderation admin panel.
A full-featured online examination system with question bank management, time-limited quizzes, auto-grading, anti-cheating measures (tab-switch detection), detailed result analytics, and a certificate generator for passing students.
An enterprise-grade distributed order processing system decomposed into independent microservices: Order Service, Payment Service, Inventory Service, and Notification Service — communicating via REST APIs with an API Gateway and service discovery.
ADR Lab provides complete development — code, documentation, deployment, and viva support.