Openpilot is an open source driver assistance system. 

Apache Arrow is a development platform for in-memory analytics. It contains a set of technologies that enable big data systems to process and move data fast.

https://github.com/leanprover-community/mathlib 的镜像仓库

Core functionality needed to create .NET Core projects, that is shared between Visual Studio and CLI

Jaeger, inspired by Dapper and OpenZipkin, is a distributed tracing platform created by Uber Technologies and donated to Cloud Native Computing Foundation.

The serverless open source alternative to AWS Aurora Postgres.

https://neon.tech/

Factor programming language

https://factorcode.org

.NET SDK Installer

Empowering everyone to build reliable and efficient software.

https://www.rust-lang.org/

Apache Airflow (or simply Airflow) is a platform to programmatically author, schedule, and monitor workflows.

QT Project 一个跨平台的C++应用程序开发框架。代码库托管在Google提供的Gerrit上（https://contribute.qt-project.org/），目前仅列出了有 Mirror 到 GitHub的项目。

Flutter is Google's SDK for crafting beautiful, fast user experiences for mobile, web, and desktop from a single codebase.