There are 71 repositories under header-only topic.
A C++ header-only HTTP/HTTPS server and client library
Gaming meets modern C++ - a fast and reliable entity component system (ECS) and much more
A single-header ANSI C immediate mode cross-platform GUI library
Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code
A curated list of awesome header-only C++ libraries
Compile Time Regular Expression in C++
Activity Indicators for Modern C++
Portable, simple and extensible C++ logging library
The missing CMake project initializer
Functional Programming Library for C++. Write concise and readable C++ code.
Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum
Extremely fast, in memory, JSON and reflection library for modern C++
Header-only, event based, tiny and easy to use libuv wrapper in modern C++ - now available as also shared/static library!
Header-only TOML config file parser and serializer for C++17.
library for importing functions from dlls in a hidden, reverse engineer unfriendly way
C++ compile-time enum to string, iteration, in a single header file
Fast, modern C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, AVX-512, ARM NEON, RISC-V RVV)