Top 20 NuGet expression Packages

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.
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...
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.
Simple, powerful and fast expressions based Inversion of Control container for .NET.
FastExpressionCompiler is 10-40x times faster than Expression.Compile()
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+.
This is a port of NCalc for .NET Core applications.
Step into debugging from linq expressions
A Simple Math and Pseudo C# Expression Evaluator in One C# File. Can also execute small C# like scripts
The Xamarin.Forms front end for CSharpMath.
C# expression interpreter/evaluator
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...
Flee - Fast Lightweight Expression Evaluator
Gear for creating expressions that actively re-evaluate when changes occur.
An GraphQL library for .NET Core. Compiles into .NET Expressions (LinqProvider) for runtime execution against object graphs. E.g. against an ORM data model.
Translate from linq expressions to C# code
A multi-platform expression parsing and evaluating framework.
Performs fast, deep or shallow clone using simple assignment operations generated by Expression Tree runtime code compilation.
xFunc.Maths is a simple and easy to use library that allows you to build mathematical expressions.
Code generation mechanics for documents conversion and validation