A personal and family finance management system built with C# following MVP (Model-View-Presenter) architecture. The core library is compiled as a reusable DLL, paired with a WPF desktop client for the presentation layer.

• C# / .NET - Core development platform
• WPF - Desktop UI framework
• MVP Architecture - Clean separation of concerns
• SQLite - Embedded database
• Entity Framework Core - ORM for data access
• LINQ - Query operations

Transaction Management

• Full CRUD operations for income, expenses, investments, debt, and savings
• Category-based organization with customizable expense types
• Date-range filtering and search capabilities

Reporting & Analytics

• Monthly summaries with running balance tracking
• Category-wise spending analysis
• Time-based financial reports
• Cross-category aggregation

Architecture Highlights

• Core business logic packaged as reusable DLL
• Clean separation between Model, View, and Presenter layers
• SQLite database with normalized schema and foreign key relationships
• Secure password hashing for user authentication

HomeBudget/
├── Models/          # Data models (Category, Transaction, BudgetItem)
├── Services/        # Business logic (Auth, Database, Category, Transaction)
├── Presenter/       # MVP presenter layer
└── Views/           # WPF presentation layer

// Initialize budget system
var budget = new HomeBudget("budget.db");
budget.LoadDatabase();

// Add transaction
budget.transactions.Add(DateTime.Now, categoryId, 50.00m, "Grocery shopping");

// Generate monthly report
var report = budget.GetBudgetItemsByMonth(
    DateTime.Now.AddMonths(-1), 
    DateTime.Now, 
    filterFlag: false, 
    categoryId: 0
);

GNU General Public License