An Open Source Machine Learning Framework for Everyone

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

ClickHouse® is a real-time analytics database management system

GoogleTest - Google Testing and Mocking Framework

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

DuckDB is an analytical in-process SQL database management system

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

Fast C++ logging library.

FlatBuffers: Memory Efficient Serialization Library

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

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

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

Seamless operability between C++11 and Python

Abseil Common Libraries (C++)

Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics

FoundationDB - the open source, distributed, transactional key-value store

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

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

Mobile Shell

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

Turi Create simplifies the development of custom machine learning models.

A distributed, fast open-source graph database featuring horizontal scalability and high availability

A fast multi-producer, multi-consumer lock-free concurrent queue for C++11

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

OpenGL Mathematics (GLM)

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.

A data visualization and analytics component, especially well-suited for large and/or streaming datasets.

cuDF - GPU DataFrame Library

High performance server-side application framework

EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.