An Open Source Machine Learning Framework for Everyone

Open Source Computer Vision Library

Tesseract Open Source OCR Engine (main repository)

JSON for Modern C++

The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)

Caffe: a fast open framework for deep learning.

Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)

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

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）

SQL powered operating system instrumentation, monitoring, and analytics.

Distribute and run LLMs with a single file.

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

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

A fast JSON parser/generator for C++ with both SAX/DOM style API

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

Approximate Nearest Neighbors in C++/Python optimized for memory usage and loading/saving to disk

Official Transmission BitTorrent client repository

PCSX2 - The Playstation 2 Emulator

openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.

Vowpal Wabbit is a machine learning system which pushes the frontier of machine learning with techniques such as online, hashing, allreduce, reductions, learning2search, active, and interactive lea…

A C++ library for interacting with JSON.

Fast PlayStation 1 emulator for x86-64/AArch32/AArch64/RV64

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

A flexible, high-performance serving system for machine learning models

Cinder is a community-developed, free and open source library for professional-quality creative coding in C++.

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

Lightweight C++ command line option parser

A Fast and Easy to use microframework for the web.