An Open Source Machine Learning Framework for Everyone

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

Protocol Buffers - Google's data interchange format

LLM inference in C/C++

Tesseract Open Source OCR Engine (main repository)

JSON for Modern C++

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

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

Caffe: a fast open framework for deep learning.

A library for efficient similarity search and clustering of dense vectors.

The open-source database for the realtime web.

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

DeepSpeech is an open source embedded (offline, on-device) speech-to-text engine which can run in real time on devices ranging from a Raspberry Pi 4 to high power GPU servers.

Cloud-native high-performance edge/middle/service proxy

Fast C++ logging library.

DuckDB is an analytical in-process SQL database management system

SQL powered operating system instrumentation, monitoring, and analytics.

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

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

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)

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 …

A framework for building native Windows apps with React.

Seamless operability between C++11 and Python

A Smart Ethernet Switch for Earth

ONNX Runtime: cross-platform, high performance ML inferencing and training accelerator

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

Mobile Shell

Nix, the purely functional package manager

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

Turi Create simplifies the development of custom machine learning models.