Free and Open Source, Distributed, RESTful Search Engine

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

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

Graphs for Everyone

Apache Doris is an easy-to-use, high performance and unified analytics database.

OpenRefine is a free, open source power tool for working with messy data and improving it

Annotation-triggered method call logging for your debug builds.

Java Evaluator API for PMML

Sceneform Maintained is an ARCore Android SDK with Google Filament as 3D engine. This is the continuation of the archived Sceneform

A fast and easy to use linear algebra library written in Java for dense, sparse, real, and complex matrices.