kelbon/AnyAny

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

Proxy: Next Generation Polymorphism in C++

Fatal is a library for fast prototyping software in modern C++. It provides facilities to enhance the expressive power of C++. The library is heavily based on template meta-programming, while keeping the complexity under-the-hood.

Embedded Template Library

expected lite - C++23 expected objects for C++11 and later in a single-file header-only library

Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more

Cista is a simple, high-performance, zero-copy C++ serialization & reflection library.

Range library for C++14/17/20, basis for C++20's std::ranges

Functional Programming Library for C++. Write concise and readable C++ code.