Top 20 NuGet expression Packages

Yacep is a small and tiny csharp expression parser, can parse a valid single-line string to an abstract syntax tree. It also provides a simple compiler that can compile an abstract syntax tree to an IEvaluator instance, IEvaluator instance can be executed as C# delegate.
A Roslyn tool that for a given C# program shows the syntax factory API calls to construct its syntax tree.