GitHub Codespaces - GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.
LINQPad - A scratchpad for C#, F# and VB code including Linq queries.
CloudShell - Cloud Shell is a free admin machine with browser-based command-line access for managing your infrastructure and applications on Google Cloud Platform.
LINQ Insight - Execute LINQ Queries directly from Visual Studio without building the application. Verify your LINQ queries in a single click and view data with LINQ Insight!
StackHive - Design, develop or publish websites right from your browser
Dot Net Editor - An VB/C# text editor with the ability to run code and code snippets.