
SharpLab is the most popular Web-based alternative to .NET Lab.
SharpLab is the most popular Open Source & free alternative to .NET Lab.
- SharpLab is Free and Open Source
.NET Lab is described as 'C# and Razor compiler playground in the browser via Blazor WebAssembly' and is a Compiler in the development category. There are 2 alternatives to .NET Lab, not only websites but also apps for Self-Hosted. The best .NET Lab alternative is SharpLab, which is both free and Open Source.

SharpLab is the most popular Web-based alternative to .NET Lab.
SharpLab is the most popular Open Source & free alternative to .NET Lab.
Compiler Explorer is an interactive compiler. The left-hand pane shows editable C/C++/Rust/Go/D code. The right, the assembly output of having compiled the code with a given compiler and settings. Multiple compilers are supported, and the UI layout is configurable (the Golden...

Compiler Explorer is the most popular Self-Hosted alternative to .NET Lab.