LINQPad - A scratchpad for C#, F# and VB code including Linq queries.
Snippet Compiler - Authors description: "Snippet Compiler compiles snippets."
Eclipse aCute - Eclipse aCute is an add-on that enhances the Eclipse IDE with multiple tools to help developers write efficient code in C# and its .NET Core framework.
Dot Net Editor - An VB/C# text editor with the ability to run code and code snippets.
FCorp My Code - Code Template Manager for programmers
CS-Script - CS-Script is an open-source scripting platform for C# that can be used on multiple Operating systems like Mac, Windows, Linux.