Proxy: Next Generation Polymorphism in C++

• UpdatedDec 6, 2025
• C++

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

• UpdatedDec 17, 2025
• Java

MOVED TO GITLAB

• UpdatedJan 8, 2018
• JavaScript

Tasty, versatile, nutritious; goes with many things in .net.

• UpdatedDec 10, 2025
• C#

Runtime duck type checking utilities for TypeScript.

• UpdatedMar 4, 2023
• TypeScript

Zen is a general purpose programming language designed to build simple, reliable and efficient programs.

• UpdatedMay 12, 2020
• C

A New, Interactive Approach to Learning Ruby

• UpdatedJan 19, 2023
• Ruby

Create Joi validation code for MySQL databases

• UpdatedAug 31, 2020
• JavaScript

🦆 Better read-only Protocols for mypy

• UpdatedJul 21, 2025
• Python

Duck-Typed Programming in C

• UpdatedNov 17, 2025
• C

Useful stuff missing from .NET for example duck typing, CSP channels, caching, money, typed ids...

• UpdatedJul 4, 2018
• C#

Interpreter for old Elara specification, written in Go

• UpdatedOct 15, 2021
• Go

A minimalist runtime type checking utility for duck typing

• UpdatedFeb 23, 2018
• JavaScript

Helena is a minimalist programming language inspired by Tcl, Unix shells, and the Unix philosophy in general

• UpdatedNov 10, 2025
• TypeScript

Duck-Typing C library based on ooc.pdf

• UpdatedMar 11, 2023
• C

A collection of tools to enforce duck typing based interfaces in Ruby.

• UpdatedOct 19, 2021
• Ruby

A macro to generate constructor to instanicate structs from JsValue using duck-typing.

• UpdatedSep 10, 2023
• Rust

👊 Human-readable, fast and boilerplate-free contract programming (precondition checks) for JavaScript.

• UpdatedAug 28, 2025
• TypeScript

Library for FP sugar

• UpdatedNov 2, 2023
• Python

Zero-dependencies light-weight library for modeling, validating and sanitizing data 🦆 🐵 👁

• UpdatedJan 7, 2023
• HTML