Desktop CRM – application for customer management (.NET / WPF)

A desktop application created in .NET technology, used for managing a customer database, projects, and collaboration history. The system has been designed for small service companies that need a simple tool for organizing work and storing customer data in one place. The main features of the application include:
• managing the customer database
• saving collaboration history and notes
• assigning projects to customers
• searching and filtering data
• exporting data to Excel / CSV files
• quickly adding new records
The application operates locally as a desktop business tool, allowing data access even without an internet connection. Technologies used in the project include:
• C# / .NET
• WPF (Windows Presentation Foundation)
• Entity Framework Core
• SQLite / SQL Server
The project architecture has been prepared according to best practices:
• layer separation (UI / Application / Data)
• use of the MVVM pattern
• handling asynchronous database operations
The result of the project is a fast and convenient application for daily management of customer data.