Google core libraries for Java

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

a fast, scalable, multi-language and extensible build system

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

Apache ZooKeeper

The Apache Tika toolkit detects and extracts metadata and text from over a thousand different file types (such as PPT, XLS, and PDF).

Copybara: A tool for transforming and moving code between repositories.

Joda-Time library with Android specialization

A flexible and scalable container based Selenium Grid with video recording, live preview, basic auth & dashboard.

Apache Drill is a distributed MPP query layer for self describing data

This is mavenised Luke: Lucene Toolbox Project

Training course repository for android app development

Sample application demonstrating an order fulfillment system decomposed into multiple independant components (e.g. microservices). Showing concrete implementation alternatives using e.g. Java, Spri…

Apache log4j1

オープンソースで作るAndroidの教科書です

[MOVED] Quickstart application showing the Google Drive API for Android