header-only

Here are 2,632 public repositories matching this topic...

nlohmann / json

JSON for Modern C++

json json-serialization msgpack cbor json-parser header-only messagepack json-pointer json-patch stl-containers rfc-6901 rfc-6902 rfc-7159 rfc-7049 json-diff bson ubjson json-merge-patch rfc-8259

Updated Aug 4, 2026
C++

gabime / spdlog

Star

Fast C++ logging library.

cpp logging cpp11 header-only spdlog

Updated Jul 24, 2026
C++

yhirose / cpp-httplib

Star

A C++ header-only HTTP/HTTPS server and client library

http cpp https cpp11 header-only

Updated Aug 3, 2026
C++

skypjack / entt

Sponsor

Star

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

Updated Aug 4, 2026
C++

Immediate-Mode-UI / Nuklear

Star

A single-header ANSI C immediate mode cross-platform GUI library

c gui imgui header-only multiplatform nuklear c89 single-header-lib single-header

Updated Jul 21, 2026
C

g-truc / glm

Star

OpenGL Mathematics (GLM)

opengl cpp vulkan vector matrix mathematics simd quaternion header-only glm cpp-library sycl

Updated Apr 7, 2026
C++

idea4good / GuiLite

Star

✔️The smallest header-only GUI library(4 KLOC) for all platforms

c docker iot gui microcontroller embedded cross-platform cpp display iot-platform header-only mcu graphics-library

Updated Oct 22, 2025
C++

ipkn / crow

Star

Crow is very fast and easy to use C++ micro web framework (inspired by Python Flask)

c-plus-plus webserver header-only crow

Updated Jun 6, 2024
C++

doctest / doctest

Star

The fastest feature-rich C++11/14/17/20/23 single-header testing framework

testing c-plus-plus unit-testing tdd cpp doctest cpp14 cpp11 header-only cpp17 single-file testing-framework cpp20 cpp23

Updated Jul 12, 2026
C++

Neargye / magic_enum

Star

Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code

c-plus-plus serialization reflection cplusplus cpp metaprogramming enum header-only cpp17 c-plus-plus-17 no-dependencies single-file cplusplus-17 enum-to-string string-to-enum

Updated Aug 3, 2026
C++

CrowCpp / Crow

Sponsor

Star

A Fast and Easy to use microframework for the web.

http framework cpp webserver websocket http-server header-only crow

Updated Aug 4, 2026
C++

p-ranav / awesome-hpp

Star

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

lists c-plus-plus list cplusplus cross-platform libraries modern-cpp cpp14 resources cpp11 header-only awesome-list cpp17 cpp-library cpp98 single-header-lib single-header cpp20 cpp03 header-library

Updated Nov 6, 2025

hanickadot / compile-time-regular-expressions

Sponsor

Star

Compile Time Regular Expression in C++

awesome constexpr regular-expression pcre header-only cpp17 compile-time cpp20 template-udl

Updated Jul 11, 2026
C++

p-ranav / argparse

Star

Argument Parser for Modern C++

library cross-platform argument-parser header-only cpp17 mit-license

Updated Jan 26, 2025
C++

p-ranav / indicators

Star

Activity Indicators for Modern C++

Updated May 9, 2025
C++

microsoft / proxy

Star

Proxy: Next Generation Polymorphism in C++

library cross-platform cpp header-only polymorphism duck-typing single-header cpp20

Updated Jan 29, 2026
C++

stephenberry / glaze

Star

Extremely fast, in memory, serialization, reflection, and RPC library for C++. JSON, BEVE, BSON, CBOR, CSV, JSONB, MessagePack, TOML, YAML, EETF

api fast yaml toml serialization json reflection csv cplusplus cpp interface json-schema binary cbor header-only messagepack bson jsonb json-rpc2 beve

Updated Aug 4, 2026
C++

SergiusTheBest / plog

Star

Portable, simple and extensible C++ logging library

c-plus-plus library log cross-platform logger logging header-only

Updated Jul 23, 2026
C++

friendlyanon / cmake-init

Star

The missing CMake project initializer

python c testing boilerplate coverage cmake cpp ci static-analysis executable vcpkg header-only conan cppcheck clang-format scaffolding clang-tidy static-library codespell shared-library

Updated Apr 15, 2026
CMake

Neargye / nameof

Star

Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum

c-plus-plus serialization reflection cplusplus cpp metaprogramming header-only cpp17 c-plus-plus-17 no-dependencies single-file cplusplus-17 nameof nameof-operator enum-to-string

Updated Jul 30, 2026
C++

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