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.

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

Header-only TMX loader for raylib written in portable C99

ANSI escape sequences wrapped into macros

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

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

Header-only XML parser written in portable ANSI C

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

Header-only UTF library written in portable ANSI C

C++ linear algebra library.

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

A header-only library for serializing and quantizing bits

Header-only JSON parser written in portable ANSI C

Header-only Base64 library written in portable ANSI C