Simplify invoicing with a modern, cloud-powered platform designed for freelancers, agencies, startups, and businesses to create professional invoices, automate billing workflows, track payments, and manage clients—all from one intuitive dashboard.
Managing invoices shouldn't be time-consuming. InvoiceFlow streamlines the entire billing lifecycle—from creating beautiful invoices and delivering them to clients, to tracking payments, generating professional PDFs, and automating reminders.
Built with the latest web technologies including Next.js App Router, Neon PostgreSQL, Prisma ORM, Auth.js, and Tailwind CSS, the platform delivers a fast, secure, and scalable invoicing experience for modern businesses.
- 📄 Professional Invoice Creation
- 👥 Client Management
- 📧 Automated Invoice Delivery
- 📑 Instant PDF Generation
- 💳 Payment Tracking
- 📊 Business Analytics Dashboard
- 🔐 Passwordless Authentication
- ☁️ Cloud-Based SaaS Platform
- 🌙 Beautiful Dark & Light UI
- ⚡ Fast & Responsive Experience
Monitor revenue, invoice performance, payment status, outstanding balances, and business growth through interactive analytics.
Create, edit, duplicate, organize, and track invoices with a clean, intuitive workspace.
Deliver invoices instantly through email, monitor delivery status, and automate payment reminders.
Generate beautifully formatted PDF invoices that are ready to download, print, or share with clients.
| Feature | Description |
|---|---|
| Professional Invoice Builder | Create polished invoices in minutes |
| Invoice Editing | Modify invoices anytime |
| Invoice History | Access complete billing records |
| Status Tracking | Pending, Paid & Overdue monitoring |
| Duplicate Invoices | Quickly recreate previous invoices |
| Invoice Deletion | Remove outdated invoices safely |
| Feature | Description |
|---|---|
| Client Directory | Store client information |
| Contact Management | Organize business contacts |
| Invoice History | Track invoices per client |
| Email Records | View communication history |
| Feature | Description |
|---|---|
| Invoice Delivery | Send invoices directly from the dashboard |
| Responsive Email Templates | Professionally designed templates |
| Payment Reminders | Automated reminder emails |
| Delivery Tracking | Confirm successful email delivery |
| Magic Link Emails | Passwordless authentication emails |
| Feature | Description |
|---|---|
| Dynamic PDF Creation | Generate invoices instantly |
| Professional Layouts | Business-ready invoice templates |
| Printable Documents | Optimized for print |
| PDF Downloads | Download invoices anytime |
| Real-Time Generation | No waiting or processing delays |
| Feature | Description |
|---|---|
| Revenue Overview | Monitor total earnings |
| Invoice Statistics | Analyze invoice activity |
| Payment Tracking | View paid and pending invoices |
| Monthly Reports | Business performance insights |
| Interactive Charts | Visualize financial growth |
| Feature | Description |
|---|---|
| Auth.js Authentication | Secure user login |
| Magic Link Login | Passwordless authentication |
| Protected Dashboard | Secure access control |
| Session Management | Reliable authentication sessions |
| Server Validation | Secure backend validation |
- 📄 Invoice Management
- 👥 Client Management
- 📧 Email Automation
- 📑 PDF Generation
- 📊 Revenue Analytics
- 🔐 Authentication
- ⚙️ Account Settings
- 📋 Invoice History
- 💳 Payment Tracking
- 🔔 Reminder System
- Node.js 20+
- PostgreSQL Database
- Neon Database (Recommended)
# Clone the repository
git clone https://github.com/Fouzia-Oreen/InvoiceFlow_Modern-Invoice-Management-SaaS
# Navigate into the project
cd invoiceflow
# Install dependencies
npm install
# Generate Prisma Client
npx prisma generate
# Run migrations
npx prisma migrate dev
# Start development server
npm run devDATABASE_URL=
AUTH_SECRET=
AUTH_URL=
MAILTRAP_TOKEN=
MAILTRAP_ENDPOINT=
NEXT_PUBLIC_APP_URL=- ⚛️ Next.js 15 (App Router)
- ⚛️ React
- 🔷 TypeScript
- 🎨 Tailwind CSS
- 🧩 shadcn/ui
- ✨ Framer Motion
- 📊 Recharts
- 🚀 Next.js Server Actions
- 🛣️ Route Handlers
- 🗄️ Prisma ORM
- 🐘 PostgreSQL
- 🔐 Auth.js
- ✉️ Magic Link Authentication
- 🌐 Neon PostgreSQL
- 📧 Mailtrap Email API
- 📨 Transactional Email Templates
- ✅ Zod
- 🛡️ Conform
- ☁️ Vercel
- 🌿 Git
- 🐙 GitHub
- 📦 ESLint
- ✨ Prettier
- 💻 VS Code
invoiceflow/
│
├── app/
│ ├── dashboard/
│ ├── invoices/
│ ├── auth/
│ ├── settings/
│ └── api/
│
├── components/
│ ├── ui/
│ ├── dashboard/
│ ├── invoice/
│ └── email/
│
├── actions/
├── lib/
├── prisma/
├── hooks/
├── utils/
├── emails/
├── public/
│
├── middleware.ts
├── auth.ts
└── prisma.schema
- 🔐 Passwordless Authentication
- ✉️ Magic Link Verification
- 🛡️ Protected Routes
- 🔑 Secure Session Management
- ✅ Server-Side Validation
- 🛡️ CSRF Protection
- 🔒 Environment Variable Isolation
- 💳 Stripe Payment Integration
- 🔁 Recurring Invoices
- 💼 Client Portal
- 👥 Team Collaboration
- 💸 Expense Management
- 📊 Advanced Financial Reports
- 🌍 Multi-Currency Support
- 📱 Mobile Application
- 🤖 AI Invoice Generator
- 🤖 AI Expense Categorization
- 🤖 AI Payment Forecasting
- 🤖 AI Financial Insights
We welcome contributions from the community.
- 🐛 Report Bugs
- 💡 Suggest Features
- 🔧 Submit Pull Requests
- 📖 Improve Documentation
- ⭐ Star the Repository
If you find this project useful:
- ⭐ Star this repository
- 🍴 Fork the project
- 🐛 Report issues
- 💬 Share with fellow developers
- ❤️ Support continued development
This project is licensed under the MIT License.
You are free to use, modify, distribute, and build commercial applications while providing appropriate attribution.
InvoiceFlow is more than an invoicing application—it's a complete billing and client management platform engineered to simplify financial workflows, automate repetitive tasks, and help businesses get paid faster.
Made with ❤️ for Freelancers • Agencies • Startups • Small Businesses • Enterprises

