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
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...
FastExpressionCompiler is 10-40x times faster than Expression.Compile()
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+.
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...
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.
Package Portable lambda expression to JavaScript converter. Converts System.Linq.ExpressionTree to syntactically correct JavaScript code. See the project page for more.
This is a port of NCalc for .NET Core applications.
The SkiaSharp front end for CSharpMath.
Rendering interface fror CSharpMath using the Typography library.
The iOS front end for CSharpMath.
The Xamarin.Forms front end for CSharpMath.
Gear for creating expressions that actively re-evaluate when changes occur.
Code generation mechanics for documents conversion and validation
Performs fast, deep or shallow clone using simple assignment operations generated by Expression Tree runtime code compilation.
A Simple Math and Pseudo C# Expression Evaluator in One C# File. And from version 1.2.0 can execute small C# like scripts
Translates Linq Expressions to SQL 'where' clause. Makes it safer to work with "Poco ORM-ish thing" (PetaPoco, AsyncPoco etc). Generates sql and parameters to be passed to Database class methods such as Query, Single, Delete etc.
Jace.NET is a high performance calculation engine for the .NET platform that can dynamically parse, interprete and execute strings containing mathematical functions. Jace.NET is available for the various .NET flavors: .NET, .NET Core, WinRT, Xamarin.Android and Xamarin.IOS.