💡 Perfect for Beginners & Intermediate Developers | Build Portfolio-Worthy Projects If you're learning C# and .NET , and want to build real-world desktop applications , this list is for you! Below are 10 powerful project ideas using WinForms or WPF with SQL Server or SQLite that will help you master desktop app development and impress recruiters or clients. 🧩 1. Inventory Management System Tech Stack : WinForms or WPF + SQL Server + ADO.NET Features : Add/Edit/Delete Products Track Stock & Quantity Supplier Details & Reporting Why Build It? Covers CRUD, UI, database connectivity — great for retail or warehouse apps 💵 2. Billing System / POS (Point of Sale) Tech Stack : WinForms + SQL Server Features : Product Scanning & Selection Tax Calculation & Invoice Generation Print Bills & Export Options Why Build It? Combines logic + UI. Very practical for shop or small business solutions 📚 3.…