Dear ImGui: Bloat-free Graphical User interface for C++ with minimal dependencies

Seamless operability between C++11 and Python

A microbenchmark support library

Simple MPL-2.0-licensed C++ geometry processing library.

Sol3 (sol2 v3.0) - a C++ <-> Lua API wrapper with advanced features and top notch performance - is here, and it's great! Documentation:

Extremely simple yet powerful header-only C++ plotting library built on the popular matplotlib

Simplify your onnx model

A machine learning compiler for GPUs, CPUs, and ML accelerators

The C++ Standard Library for Parallelism and Concurrency

Stan development repository. The master branch contains the current release. The develop branch contains the latest stable development. See the Developer Process Wiki for details.

nanoflann: a C++11 header-only library for Nearest Neighbor (NN) search with KD-trees

Kokkos C++ Performance Portability Programming Ecosystem: The Programming Model - Parallel Execution and Memory Abstraction

CasADi is a symbolic framework for numeric optimization implementing automatic differentiation in forward and reverse modes on sparse matrix-valued computational graphs. It supports self-contained …

Parsing Expression Grammar Template Library

A small, portable and extensible C++ 3D coding framework

automatic differentiation made easier for C++

OpenMM is a toolkit for molecular simulation using high performance GPU code.

THIS MIRROR IS DEPRECATED -- New url: https://gitlab.com/libeigen/eigen

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

A C++ GPU Computing Library for OpenCL

STL compatible C++ memory allocator library using a new RawAllocator concept that is similar to an Allocator but easier to use and write.

SIMD Vector Classes for C++

std::tuple like methods for user defined types without any macro or boilerplate code

Concurrent data structures in C++

SymEngine is a fast symbolic manipulation library, written in C++

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

This is the COVID-19 CovidSim microsimulation model developed by the MRC Centre for Global Infectious Disease Analysis hosted at Imperial College, London.

Next generation FEniCS problem solving environment

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

The RaftLib C++ library, streaming/dataflow concurrency via C++ iostream-like operators