Sublime Text
Fast, minimal code editor
Sublime Text is a famously quick editor with multi-cursor editing and a tidy interface. It has no built-in AI assistance out of the box.
The next-generation IDE by JetBrains
Fleet is JetBrains' lightweight, distributed code editor that can scale up into a full IDE with smart code assistance and remote development support.

Fast, minimal code editor
Sublime Text is a famously quick editor with multi-cursor editing and a tidy interface. It has no built-in AI assistance out of the box.
Full-featured IDE
Visual Studio is Microsoft's heavyweight IDE for .NET, C++ and enterprise development.
Code editing. Redefined.
Visual Studio Code is Microsoft's free, extensible code editor with a massive extension marketplace, integrated terminal, debugging, and AI assistant integrations.
The fast, collaborative code editor
Zed is a native, GPU-accelerated code editor built in Rust that combines extreme performance with built-in AI assistance and real-time multiplayer collaboration.
AI-first code editor
Cursor is a VS Code-based editor where an AI agent reads your repository, writes multi-file changes and explains unfamiliar code.
The Cross-Platform .NET IDE
JetBrains Rider is a fast, feature-rich cross-platform IDE for .NET, ASP.NET, Xamarin and Unity development, with AI Assistant for code completion and generation.