Backend2026-05-17
.NET
Also known as: .NET / .NET Core / ドットネット
Microsoft's open-source cross-platform SDK. It supports C#, F#, and VB, and provides a unified platform for web APIs with ASP.NET Core, full-stack web with Blazor, and mobile apps with MAUI.
Overview
From .NET 5 onward, Microsoft unified the old .NET Framework and new cross-platform runtime. The same code runs on Windows, Linux, and macOS, with straightforward deployment to Docker containers and Azure App Service.
Japanese Enterprise Context
Many Japanese enterprises operate .NET Framework-based systems on Windows servers, making migration to .NET 8/9 a key legacy modernization challenge. See legacy system modernization guide.
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