A curated list of awesome header-only C++ libraries

Fast CSV parser and writer for Modern C++

Parse command line arguments by defining a struct

Single-header header-only C++11 / C++14 / C++17 library for easily managing set of auto-generated type-safe flags.

Header-only TMX loader for raylib written in portable C99

Small header only library to call a function at a specific time interval.

Header-only XML parser written in portable ANSI C

ANSI escape sequences wrapped into macros

A header-only library containing various allocators and containers for c++

Header-only UTF library written in portable ANSI C

A header-only library for serializing and quantizing bits

Header-only JSON parser written in portable ANSI C

VCK — small, no-magic Vulkan kit for Windows / Linux / macOS. Cross-platform window, live resize, AA auto-detect, structured logging, optional frame scheduler + VMM. One header, one namespace, every raw Vk handle exposed. Not an engine — you own the frame.

Header-only Base64 library written in portable ANSI C

QuickTestCPP - A lightweight C++ unit testing header library.

Single-file C libraries (and a few commands) I have written.

An Arduino header-library for logging via `Serial::print()` / `Serial::println()`.

C++ linear algebra library.

A curated list of awesome URLs

Minimal, cross-platform C++ library for cryptographically secure random byte generation and secure memory erasure using OS-native entropy sources