expr-lang/expr

Fast, portable, non-Turing complete expression evaluation with gradual typing (Go)

QLExpress is a powerful, lightweight, dynamic language for the Java platform aimed at improving developers’ productivity in different business scenes.

Provides an engine that can compile and evaluate expressions

Starlark in Go: the Starlark configuration language, implemented in Go

Common Expression Language -- specification and binary representation

A fast and reliable .NET Rules Engine with extensive Dynamic expression support

C# expressions interpreter

Useful template functions for Go templates.

Open-source Business Rules Engine for your Rust, NodeJS, Python, Go, Java, C#, Kotlin (JVM), Kotlin (Android) and Swift (iOS) applications.