The Top 155 Header Only Open Source Projects

Awesome Open Source

Awesome Open Source

Combined Topics

Advertising 📦 10

Application Programming Interfaces 📦 124

Applications 📦 192

Artificial Intelligence 📦 78

Blockchain 📦 73

Build Tools 📦 113

Cloud Computing 📦 80

Code Quality 📦 28

Collaboration 📦 32

Command Line Interface 📦 49

Community 📦 83

Companies 📦 60

Compilers 📦 63

Computer Science 📦 80

Configuration Management 📦 42

Content Management 📦 175

Control Flow 📦 213

Data Formats 📦 78

Data Processing 📦 276

Data Storage 📦 135

Economics 📦 64

Frameworks 📦 215

Graphics 📦 110

Hardware 📦 152

Integrated Development Environments 📦 49

Learning Resources 📦 166

Libraries 📦 129

Lists Of Projects 📦 22

Machine Learning 📦 347

Mapping 📦 64

Marketing 📦 15

Mathematics 📦 55

Messaging 📦 98

Networking 📦 315

Operating Systems 📦 89

Operations 📦 121

Package Managers 📦 55

Programming Languages 📦 245

Runtime Environments 📦 100

Science 📦 42

Security 📦 396

Social Media 📦 27

Software Architecture 📦 72

Software Development 📦 72

Software Performance 📦 58

Software Quality 📦 133

Text Editors 📦 49

Text Processing 📦 136

User Interface 📦 330

User Interface Components 📦 514

Version Control 📦 30

Virtualization 📦 71

Web Browsers 📦 42

Web Servers 📦 26

Web User Interface 📦 210

The Top 155 Header Only Open Source Projects

Categories > Programming Languages > Header Only

Json ⭐ 24,455

JSON for Modern C++

Catch2 ⭐ 13,409

A modern, C++-native, header-only, test framework for unit-tests, TDD and BDD - using C++11, C++14, C++17 and later (or C++03 on the Catch1.x branch)

Spdlog ⭐ 11,608

Fast C++ logging library.

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

Guilite ⭐ 5,442

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

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

Cpp Httplib ⭐ 4,928

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

Doctest ⭐ 3,252

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

Compile Time Regular Expressions ⭐ 1,865

A Compile time PCRE (almost) compatible regular expression matcher.

Magic_enum ⭐ 1,839

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

Indicators ⭐ 1,557

Activity Indicators for Modern C++

Functionalplus ⭐ 1,363

Functional Programming Library for C++. Write concise and readable C++ code.

Pegtl ⭐ 1,336

Parsing Expression Grammar Template Library

Awesome Hpp ⭐ 1,335

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

Header-only, event based, tiny and easy to use libuv wrapper in modern C++ - now available as also shared/static library!

Your standard library for metaprogramming

Better Enums ⭐ 1,121

C++ compile-time enum to string, iteration, in a single header file

Portable, simple and extensible C++ logging library

Cross-platform C++11 header-only library for memory mapped file IO

Cppzmq ⭐ 1,086

Header-only C++ binding for libzmq

Nameof ⭐ 1,080

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

Fast, modern C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, AVX-512, ARM NEON)

single header libraries for C/C++

🚀 Making multi-player gamedev simpler since 2017

Argh! A minimalist argument handler.

Frugally Deep ⭐ 741

Header-only library for using Keras models in C++.

A Template Engine for Modern C++

Argparse ⭐ 726

Argument Parser for Modern C++

Robin Hood Hashing ⭐ 711

Fast & memory efficient hashtable based on robin hood hashing for C++11/14/17/20

easy to use, powerful & expressive command line argument parsing for modern C++ / single header / usage & doc generation

A Header-Only cross-platform C++ TCP network library . Can use vcpkg(https://github.com/Microsoft/vcpkg/tree/master/ports/brynet) install

📐 Pushing the boundaries of simplicity

a compile-time, header-only, dimensional analysis and unit conversion library built on c++14 with no dependencies.

Filesystem ⭐ 644

An implementation of C++17 std::filesystem for C++11 /C++14/C++17/C++20 on Windows, macOS, Linux and FreeBSD.

Gsl Lite ⭐ 631

gsl-lite – A single-file header-only version of ISO C++ Guidelines Support Library (GSL) for C++98, C++11, and later

A small C++11 header-only library for Lie theory.

Tinydir ⭐ 582

Lightweight, portable and easy to integrate C directory and file reader

Hat Trie ⭐ 573

C++ implementation of a fast and memory efficient HAT-trie

Lazy_importer ⭐ 570

library for importing functions from dlls in a hidden, reverse engineer unfriendly way

UT: C++20 μ(micro)/Unit Testing Framework

Random for modern C++ with convenient API

Robin Map ⭐ 533

C++ implementation of a fast hash map and hash set using robin hood hashing

Pgm Index ⭐ 520

🏅State-of-the-art learned data structure that enables fast lookup, predecessor, range searches and updates in arrays of billions of items using orders of magnitude less space than traditional indexes

Mpmcqueue ⭐ 503

A bounded multi-producer multi-consumer concurrent queue written in C++11

Cranium ⭐ 502

🤖 A portable, header-only, artificial neural network library written in C99

Eventpp ⭐ 500

Event Dispatcher and callback list for C++

Spectra ⭐ 490

A header-only C++ library for large scale eigenvalue problems

Tinyfsm ⭐ 470

A simple C++ finite state machine library

Hopscotch Map ⭐ 464

C++ implementation of a fast hash map and hash set using hopscotch hashing

Cpp Peglib ⭐ 456

A single file C++ header-only PEG (Parsing Expression Grammars) library

Earcut.hpp ⭐ 456

Fast, header-only polygon triangulation

Nanobench ⭐ 454

Simple, fast, accurate single-header microbenchmarking functionality for C++11/14/17/20

Tomlplusplus ⭐ 441

Header-only TOML config file parser and serializer for C++17 (and later!).

TOML for Modern C++

Picosha2 ⭐ 417

a header-file-only, SHA256 hash generator in C++

C++ header-only JSON library

Header-only, non-intrusive and macro-free runtime reflection system in C++

Structopt ⭐ 339

Parse command line arguments by defining a struct

Spscqueue ⭐ 337

A bounded single-producer single-consumer wait-free and lock-free queue written in C++11

A modern, C++11-native, single-file header-only, tiny framework for unit-tests, TDD and BDD (includes C++98 variant)

Span Lite ⭐ 319

span lite - A C++20-like span for C++98, C++11 and later in a single-file header-only library

Ordered Map ⭐ 296

C++ hash map and hash set which preserve the order of insertion

Optional Lite ⭐ 293

optional lite - A C++17-like optional, a nullable object for C++98, C++11 and later in a single-file header-only library

Fundamental C++ SIMD types for Intel CPUs (sse, avx, avx2, avx512)

Jwt Cpp ⭐ 287

A header only library for creating and validating json web tokens in c++

A C++ await/yield emulation library for stackless coroutine

Obfuscate ⭐ 277

Guaranteed compile-time string literal obfuscation header-only library for C++14

A simple to use, composable, command line parser for C++ 11 and beyond

String View Lite ⭐ 253

string_view lite - A C++17-like string_view for C++98, C++11 and later in a single-file header-only library

Minidnn ⭐ 253

A header-only C++ library for deep neural networks

Inline_syscall ⭐ 253

Inline syscalls made easy for windows on clang

Thorsserializer ⭐ 251

C++ Serialization library for JSON

Histogram ⭐ 251

Fast multi-dimensional generalized histogram with convenient interface for C++14

A modern C++ BVH construction and traversal library

Human-friendly unit testing for C++11

Neither ⭐ 239

Either and Maybe monads for better error-handling in C++ ↔️

[DEPRECATED] See https://github.com/p-ranav/csv2

Metalang99 ⭐ 237

Full-blown preprocessor metaprogramming

🧮 A research programming language on top of C macros

⚡️ ENet reliable UDP networking library

Approvaltests.cpp ⭐ 217

Native ApprovalTests for C++ on Linux, Mac and Windows

A C++11 or library for parsing and serializing JSON to and from a DOM container in memory.

Aegis.cpp ⭐ 210

Discord C++ library for interfacing with the API. Join our server: https://discord.gg/w7Y3Bb8

Header only c++ network library, based on asio,support tcp,udp,http,websocket,rpc,ssl,icmp,serial_port.

Lightweight Error Augmentation Framework

Sparse Map ⭐ 204

C++ implementation of a memory efficient hash map and hash set

TE: C++17 Run-time polymorphism (type erasure) library

Variant Lite ⭐ 191

variant lite - A C++17-like variant, a type-safe union for C++98, C++11 and later in a single-file header-only library

⛳ Simple, extensible, header-only C++17 argument parser released into the public domain.

Libchef ⭐ 184

🍀 c++ standalone header-only basic library. || c++头文件实现无第三方依赖基础库

C++ library for constrained Delaunay triangulation (CDT)

Emojicpp ⭐ 183

Emoji 😄 for c++ developers 👍

C++ header-only fixed-point math library

Libgrape Lite ⭐ 181

🍇 A C++ library for parallel graph processing 🍇

Acutest ⭐ 179

Simple header-only C/C++ unit testing facility.

Fast CSV parser and writer for Modern C++

Tinywindow ⭐ 175

a cross platform (Linux and Windows) OpenGL window library in a single header

A single-header incremental garbage collector library

Minicoro ⭐ 175

Single header asymmetric stackful cross-platform coroutine library in pure C.

Orm Lite ⭐ 168

Header-Only, Strong-Typed, Compile-time Object Relation Mapping (ORM) in Modern C++ :-)

1-100 of 155 projects

Advertising 📦 10

Application Programming Interfaces 📦 124

Applications 📦 192

Artificial Intelligence 📦 78

Blockchain 📦 73

Build Tools 📦 113

Cloud Computing 📦 80

Code Quality 📦 28

Collaboration 📦 32

Command Line Interface 📦 49

Community 📦 83

Companies 📦 60

Compilers 📦 63

Computer Science 📦 80

Configuration Management 📦 42

Content Management 📦 175

Control Flow 📦 213

Data Formats 📦 78

Data Processing 📦 276

Data Storage 📦 135

Economics 📦 64

Frameworks 📦 215

Graphics 📦 110

Hardware 📦 152

Integrated Development Environments 📦 49

Learning Resources 📦 166

Libraries 📦 129

Lists Of Projects 📦 22

Machine Learning 📦 347

Mapping 📦 64

Marketing 📦 15

Mathematics 📦 55

Messaging 📦 98

Networking 📦 315

Operating Systems 📦 89

Operations 📦 121

Package Managers 📦 55

Programming Languages 📦 245

Runtime Environments 📦 100

Science 📦 42

Security 📦 396

Social Media 📦 27

Software Architecture 📦 72

Software Development 📦 72

Software Performance 📦 58

Software Quality 📦 133

Text Editors 📦 49

Text Processing 📦 136

User Interface 📦 330

User Interface Components 📦 514

Version Control 📦 30

Virtualization 📦 71

Web Browsers 📦 42

Web Servers 📦 26

Web User Interface 📦 210