Top 20 NuGet expression Packages

C# Eval Expression is an Eval function. You can Evaluate, Compile and Execute C# code at runtime. Example: https://dotnetfiddle.net/COq6FC Include free and prime features.
Flee - Fast Lightweight Expression Evaluator
Simple, powerful and fast expressions based Inversion of Control container for .NET.
C# expression interpreter/evaluator
An extension method for the Linq and DLR Expression classes and set of Debugger Visualizers to produce readable, source-code string versions of Expression Trees. Targets .NETStandard 1.0+ and .NET 3.5+.
Runtime expressions parser and evaluator (formulas, conditions, method calls, properties/indexers etc). Builds LINQ expression tree and compiles it to lambda delegate with full support of dynamically typed variables.
mXparser is a super easy, rich, fast and highly flexible math expression parser library (parser and evaluator of mathematical expressions / formulas provided as plain text / string). Software delivers easy to use API for JAVA, Android and C# .NET/MONO (Common Language Specification compliant: F#, Vi...
Contracts ensuring, Messanging, LINQ expression parser and extension methods, Task Parallel Library helpers, Type auto-mapping for storage and benchmark.
A library that converts cron expressions into human readable descriptions. Supports multiple languages including: English, Brazillian, Spanish, Norwgian, Turkish, Dutch, Chinese Simplified, Russian, French, German, Ukrainian, Polish, Romanian Italian, Swedish, Slovenian, Danish, Finnish and Japanes...
This is a port of NCalc for .NET Core applications.
FastExpressionCompiler is 10-40x times faster than Expression.Compile()
The core of the C# math rendering engine - CSharpMath. Can display beautiful math equations and symbols from the LaTeX format. Needs a front end to function. Currently, front ends exist for iOS, SkiaSharp and Xamarin.Forms.
Step into debugging from linq expressions
A Simple Math and Pseudo C# Expression Evaluator in One C# File. And from version 1.2.0 can execute small C# like scripts
The SkiaSharp front end for CSharpMath.
Rendering interface fror CSharpMath using the Typography library.
The Xamarin.Forms front end for CSharpMath.
The iOS front end for CSharpMath.
An GraphQL library for .NET Core. Compiles into .NET Expressions (LinqProvider) for runtime execution against object graphs. E.g. against an ORM data model.
Code generation mechanics for documents conversion and validation