InvoiceKit - Premium Invoice Management System

Manage invoices professionally with InvoiceKit, a premium Next.js invoice management system built for freelancers, creative studios and small businesses.

Instead of creating invoices manually or relying on bloated accounting software, InvoiceKit provides a focused workflow for creating invoices, managing clients, sharing secure public invoice links and tracking payment status.

Built with Next.js 14, React, TypeScript and Tailwind CSS, the project includes a complete invoice management interface, serverless PostgreSQL integration, printable invoice documents and secure Edge API endpoints.

Whether you're building a freelance invoicing platform, a client billing portal or an internal invoicing tool, InvoiceKit provides a clean, modern foundation that's easy to customise and extend.

Perfect For

✓ Freelancers

✓ Creative Studios

✓ Consultants

✓ Small Businesses

✓ Digital Agencies

✓ Client Billing Portals

✓ Internal Business Tools

✓ Startup Projects

✓ SaaS Products

✓ Modern Web Applications

Why Choose InvoiceKit?

✓ Professional invoice management workflow

✓ Client management system

✓ Secure public invoice sharing

✓ Printable invoice documents

✓ Serverless PostgreSQL integration

✓ Responsive across all devices

✓ Built with modern Next.js technologies

✓ Clean and reusable codebase

✓ Easy to customise and extend

✓ No recurring subscription fees

What's Included

Your download includes:

📦 Complete Next.js Source Code

📦 Invoice Dashboard

📦 Client Directory

📦 New Invoice Builder

📦 Invoice Detail Page

📦 Public Invoice Page

📦 REST API Endpoints

📦 Database Schema & Seed Files

📦 Custom 404 Page

📄 Documentation (README.md)

Key Features

✓ Invoice Dashboard

✓ Client Management

✓ Invoice Creation

✓ Line Item Management

✓ Tax Calculation

✓ Public Invoice Links

✓ Printable Invoice Documents

✓ Invoice Status Tracking

✓ Mark Invoice as Paid

✓ REST API

✓ Responsive Layout

✓ Reusable Components

Technology Stack

Built using modern technologies:

✓ Next.js 14 (App Router)

✓ React

✓ TypeScript

✓ Tailwind CSS

✓ Zod

✓ Neon Serverless PostgreSQL

✓ Edge API Routes

✓ Component-Based Architecture

✓ Responsive Design

Performance Features

Designed for modern web applications:

✓ Fast Next.js Performance

✓ Optimised Production Build

✓ Responsive Desktop, Tablet & Mobile Layouts

✓ Lightweight Architecture

✓ Integer-Cents Money Calculations

✓ Serverless Database Integration

✓ Edge API Architecture

✓ Clean TypeScript Implementation

✓ Easy Maintenance

How It Works

1. Download the project instantly after purchase.
2. Follow the included documentation to install the project.
3. Configure your database connection, business details and branding.
4. Build and deploy the project to your preferred hosting provider.

Browser Compatibility

Works perfectly with:

✓ Google Chrome

✓ Safari

✓ Firefox

✓ Microsoft Edge

✓ Brave

✓ Opera

License

Your purchase includes:

✓ Lifetime access to the purchased source code

✓ Commercial use for personal and client projects

✓ Full customisation rights

✓ Unlimited personal and client projects

You may not:

✗ Resell the original source code

✗ Redistribute the files

✗ Share the files publicly

✗ Use the files to create competing digital products for resale

Instant Digital Download

No physical product will be shipped.

Immediately after purchase, you'll receive instant access to download the complete source code and documentation, allowing you to start building your invoicing platform.

Important: This is a Next.js invoice management system. The project includes a serverless PostgreSQL database, Edge API routes and secure public invoice sharing using unique tokens.

It does not include payment processing, Stripe integration, recurring invoices, multi-user authentication, organisation management, accounting ledgers, expense tracking, tax filing or PDF generation. Admin pages are protected using a shared ADMIN_SECRET, while public invoices are accessible through secure tokenised links. Add your preferred authentication system or payment gateway if additional functionality is required.

PROJETO STACK - Premium software templates and digital products built for modern businesses.