Google core libraries for Java

A tool for writing better scripts

Style guides for Google-originated open-source projects

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

GoogleTest - Google Testing and Mocking Framework

A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.

This is the Rust course used by the Android team at Google. It provides you the material to quickly teach Rust.

Material Design Components in HTML/CSS/JS

Python Fire is a library for automatically generating command line interfaces (CLIs) from absolutely any Python object.

FlatBuffers: Memory Efficient Serialization Library

A Java serialization/deserialization library to convert Java Objects into JSON and back

This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media

The Google I/O Android App

Google's Engineering Practices documentation

Filament is a real-time physically based rendering engine for Android, iOS, Windows, Linux, macOS, and WebGL2

Font files available from Google Fonts, and a public issue tracker for all things Google Fonts

Analyzes resource usage and performance characteristics of running containers.

An open-source, code-first Python toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

Flexbox for Android

Web Starter Kit - a workflow for multi-device websites

Application Kernel for Containers

Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers.

Google's Operations Research tools:

Perceptual JPEG encoder

Guice (pronounced 'juice') is a lightweight dependency injection framework for Java 11 and above, brought to you by Google.

AddressSanitizer, ThreadSanitizer, MemorySanitizer

Brotli compression format

Compile-time Dependency Injection for Go

A formatter for Python files

Former git repo for WebFundamentals on developers.google.com

Dopamine is a research framework for fast prototyping of reinforcement learning algorithms.

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images. See documentation for contribution instructions.

A collection of source code generators for Java.

Grumpy is a Python to Go source code transcompiler and runtime.

Fast and accurate AI powered file content types detection

A microbenchmark support library

OSS-Fuzz - continuous fuzzing for open source software.

Unsupervised text tokenizer for Neural Network-based text generation.

Go library for accessing the GitHub v3 API

Material Design icons by Google (Material Symbols)