LINQPad - A scratchpad for C#, F# and VB code including Linq queries.
GitHub Codespaces - GItHub Codespaces is a hosted remote coding environment by GitHub based on Visual Studio Codespaces integrated directly for GitHub.
Snippet Compiler - Authors description: "Snippet Compiler compiles snippets."
CloudShell - Cloud Shell is a free admin machine with browser-based command-line access for managing your infrastructure and applications on Google Cloud Platform.
Linqer - Linqer is a SQL to LINQ converter tool.
StackHive - Design, develop or publish websites right from your browser