An Open Source Machine Learning Framework for Everyone

Build cross-platform desktop apps with JavaScript, HTML, and CSS

Godot Engine – Multi-platform 2D and 3D game engine

Open Source Computer Vision Library

Caffe: a fast open framework for deep learning.

An open-source C++ library developed and used at Facebook.

The MongoDB Database

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

PArallel Distributed Deep LEarning: Machine Learning Framework from Industrial Practice （『飞桨』核心框架，深度学习&机器学习高性能单机、分布式训练和跨平台部署）

Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more

A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)

Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit

A fast, distributed, high performance gradient boosting (GBT, GBDT, GBRT, GBM or MART) framework based on decision tree algorithms, used for ranking, classification and many other machine learning …

Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your…

ESP8266 core for Arduino

UPX - the Ultimate Packer for eXecutables

A toolkit for making real world machine learning and data analysis applications in C++

Perceptual JPEG encoder

cross-platform (Qt), open-source (GPLv3) video editor

QGIS is a free, open source, cross platform (lin/win/mac) geographical information system (GIS)

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

AutoHotkey - macro-creation and automation-oriented scripting utility for Windows.

Repository for OpenCV's extra modules

Cross-platform music production software

Easy to use device for connecting "old" measuring units (water, power, gas, ...) to the digital world

static analysis of C/C++ code

open Multiple View Geometry library. Basis for 3D computer vision and Structure from Motion.

mlpack: a fast, header-only C++ machine learning library

Asio C++ Library

A tool for use with clang to analyze #includes in C and C++ source files