Metaprogramming GitHub Repositories (2026) · Open Source Tools

Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code

Next generation API for .NET

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum

C++14 State Machine library

Library to read, analyze, transform and generate Scala programs

JNI Bind is a set of advanced syntactic sugar for writing efficient correct JNI Code in C++20 and up (or C++17 with clang).

:gem: Feel++: Finite Element Embedded Language and Library in C++

Supercharge Swift's Codable implementations with macros meta-programming.