H

header-only

BB RPC is a lightweight and modern C++20 RPC library designed for clean, type-safe client–server communication. It eliminates boilerplate and avoids code generation, letting you focus on protocol design.

Header-only mathematical library for vectors, matrices, rotations, and scientific constants.

The Utility Template Library is a collection of C++ templated utility classes that solve common C++ problems

Header‑only C++ библиотека для работы с памятью процессов на Unix/Android: поиск PID, перечисление областей памяти, чтение/запись данных, шестнадцатеричные патчи и сканирование по значениям и шаблонам (с вайлдкартами).

C++17 header only library for common cross-platform networking, sockets, ssl, threading, new language features, crypto, and serial i/o support.

Header‑only C++ библиотека для компиляторно‑временной обфускации строковых литералов (и других статических массивов символов) с автоматической очисткой памяти после использования.

Modern header-only web access for C++17

Doc Pages : https://egm-foss.gitlab.io/tnt/

A cutting-edge header-only utility library for C++ which extends the STL useful missing functionality.

C++11 header-only library for registration and management of link-time plug-ins.

A small C++17 library to parse and resolve URLs (or better: URIs).

msgpack de/serializer for C++20