Free and Open Source, Distributed, RESTful Search Engine

Termux - a terminal emulator application for Android OS extendible by variety of packages.

Apache Kafka - A distributed event streaming platform

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

The official home of the Presto distributed SQL query engine for big data

Most popular Mocking framework for unit tests written in Java

The Clojure programming language

Web-based notebook that enables data-driven, interactive data analytics and collaborative documents with SQL, Scala and more.

vʌvr (formerly called Javaslang) is a non-commercial, non-profit object-functional library that runs with Java 8+. It aims to reduce the lines of code and increase code quality.

Cracking the Coding Interview, 5th Edition

Apache TinkerPop - a graph computing framework

The ToroDB solution to provide better analytics on top of MongoDB and make it easier to migrate from MongoDB to SQL

Distributed Open Source twitter and social media message search server that anonymously collects, shares, dumps and indexes data http://api.loklak.org

ML Financial API

The turbine is a set of server-side components that perform automated technical analysis on stocks.

(NLP) Developed from scratch, a fully functional Search Engine.