Our Products | Software Solutions by CODE4UTECH

Flagship Platforms

Current Priority Products & Case Studies

Core production platforms actively developed, maintained, and delivered by our engineering team.

Web SaaS App GST Compliant

BillVeda

Smart GST-compliant invoicing web platform designed for Indian SMEs and service businesses. Create professional invoices, manage multi-rate taxes, automate PDF rendering, and track digital payments.

"Kagaz ki bachat, prakriti ki suraksha — switch to smart invoicing with BillVeda."

GST and Non-GST professional invoice generation
Automated PDF generation & email notifications
Client management, payment tracking & expenses
Cloud-accessible anytime on web & mobile

Case Study Web Portal

Desktop POS Offline First

BillVeda Pro — Desktop

High-speed desktop billing and inventory engine engineered for high-throughput retail billing counters. Operates 100% offline with zero cloud dependency during active checkout.

Engineered for uninterrupted retail counter speeds and local hardware integration.

Sub-second barcode scanning & quick POS billing
Direct ESC/POS thermal receipt printer integration
Local SQLite embedded database architecture
Inventory management with low-stock alerts

Case Study Web Portal

Smart Access Control Smart RFID System

AURALOCK

Smart Access Control & Smart RFID Access Control System. Delivers high-speed contactless RFID door authentication, hardware token verification, credential isolation, and automated access logging.

Zero-trust credential delegation and auditable security for modern web systems.

Role-Based Access Control (RBAC) token management
Cryptographic data encryption at rest and in transit
Automated session revocation and security auditing
RESTful security endpoints for microservices

Case Study Platform Portal

Open Source Firmware Stable Release v1.2.2 MIT License

github.com/code4utech

AURALOCK A1 Firmware: Cloud Native UID Scanner

Open-source firmware designed for developers and hardware makers to build their own RFID UID scanning hardware using an ESP32 and MFRC522 module. Enables ESP32 devices to scan RFID cards in milliseconds and connect directly to the AURALOCK cloud platform for device management, scan tracking, and card management.

Features non-volatile configuration storage (NVS Preferences), 25-second auto WiFi reconnect timeout, 60-second cloud heartbeat keepalive, 800ms debounce protection against duplicate swipes, and 10 MHz SPI bus communication.

Framework ESP32 Arduino

Debounce 800ms Anti-Dup

Heartbeat Every 60s

SPI Speed 10 MHz Bus

Explore A1 Firmware Page GitHub Repo Release v1.2.2 Developer Portal

auralock_a1.ino ESP32 Core

#include <SPI.h>

#include <MFRC522.h>

#include <Preferences.h>

// Sub-300ms RFID Verification

rfid.PCD_Init();

initAuraCloudSync();

Hardware Pinout: Wiring Guide

Additional Business Tools & Platforms

Explore specialized solutions built for businesses, communities, and developers.

OnePagePro

Cost-effective, professional single-page web presence solution designed for local merchants, freelancers, and small businesses. Integrates with QR codes, WhatsApp direct messaging, and social contact cards.

Explore OnePagePro

FeedbackApp

A dynamic feedback collection platform enabling customers to scan a QR code at your physical venue and submit Google Business reviews and real-time internal operational ratings.

Request Demo

SkillsUp by CODE4UTECH

A real-world developer assessment and upskilling platform engineered to discover, nurture, and evaluate coding skills through practical engineering contests.

Visit SkillsUp

SplitMyBill

Zero-friction bill splitting tool for groups, trips, and roommates with optimized debt-minimization algorithms. No account creation required.

Try SplitMyBill Now

Request a Product Demonstration

Interested in BillVeda, BillVeda Pro Desktop, or AuraLock? Share your details and our technical team will arrange a guided walkthrough.