An Open Source Machine Learning Framework for Everyone

Tesseract Open Source OCR Engine (main repository)

JSON for Modern C++

LevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.

A library that provides an embeddable, persistent key-value store for fast storage.

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

ncnn is a high-performance neural network inference framework optimized for the mobile platform

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)

Seamless operability between C++11 and Python

Abseil Common Libraries (C++)

Event-driven network library for multi-threaded Linux server in C++11

NoSQL data store using the Seastar framework, compatible with Apache Cassandra and Amazon DynamoDB

Frame profiler

Cap'n Proto serialization/RPC system - core tools and C++ library

The Z3 Theorem Prover

A General-purpose Task-parallel Programming System using Modern C++

MSVC's implementation of the C++ Standard Library.

Record and Replay Framework

The Fastest Distributed Database for Transactional, Analytical, and AI Workloads.

Main gperftools repository

libco is a coroutine library which is widely used in wechat back-end service. It has been running on tens of thousands of machines since 2013.

Cartographer is a system that provides real-time simultaneous localization and mapping (SLAM) in 2D and 3D across multiple platforms and sensor configurations.

C-based/Cached/Core Computer Vision Library, A Modern Computer Vision Library

A Python-embedded modeling language for convex optimization problems.

header only, dependency-free deep learning framework in C++14

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

A GPU-accelerated library containing highly optimized building blocks and an execution engine for data processing to accelerate deep learning training and inference applications.

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

A Detailed Cplusplus Concurrency Tutorial 《C++ 并发编程指南》

[ARCHIVED] The C++ parallel algorithms library. See https://github.com/NVIDIA/cccl