Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).

Meta-programming for Swift, stop writing boilerplate code.

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

A dialect of Lisp that's embedded in Python

Apache Groovy: A powerful multi-faceted programming language for the JVM platform

Example code for Fluent Python, 2nd edition (O'Reilly 2022)

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

Minimal, efficient, statically-typed and meta-programmable systems programming language heavily inspired by Lua, which compiles to C and native code.

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

Every programmer needs a rubberduck. COM add-in for the VBA & VB6 IDE (VBE).

Next generation API for .NET

Spoon is a metaprogramming library to analyze and transform Java source code. :spoon: is made with :heart:, :beers: and :sparkles:. It parses source files to build a well-designed AST with powerful analysis and transformation API.

Your standard library for metaprogramming

Algebraic data types for C99

C++14 State Machine library

Scala library for boilerplate-free, type-safe data transformations

Static reflection for C++17 (compile-time enumeration, attributes, proxies, overloads, template functions, metaprogramming).

Library to read, analyze, transform and generate Scala programs

Full-blown preprocessor metaprogramming

Obfusheader.h is a portable header file for C++14 compile-time obfuscation.

decorator

Refactoring and linting tool for Scala

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

TypeCheck: Fast and flexible runtime type-checking for your Elixir projects.

Rhombus programming language

Metaprogramming, verified meta-theory and implementation of Rocq in Rocq

Metaprogramming. Multi-paradigm approach in the Software Engineering.

C++17 Run-time Polymorphism (Type Erasure) library

💻 A Python library to create and deploy cross-platform native context menus. 💻

ES5 shim for ES6 Reflect and Proxy objects