Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.

Free and Open Source, Distributed, RESTful Search Engine

Ghidra is a software reverse engineering (SRE) framework

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

Google core libraries for Java

Netty project - an event-driven asynchronous network application framework

A browser automation framework and ecosystem.

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Telegram for Android source

Apache Flink

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

JDK main-line development https://openjdk.org/projects/jdk

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

IntelliJ IDEA & IntelliJ Platform

A fast dependency injector for Android and Java.

Apache Hadoop

A Java 8+ Jar & Android APK Reverse Engineering Suite (Decompiler, Editor, Debugger & More)

Most popular Mocking framework for unit tests written in Java

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

Logstash - transport and process your logs, events, or other data

Arduino IDE 1.x

MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville

🔎 Open source distributed and RESTful search engine.

Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …

A simple expressive web framework for java. Spark has a kotlin DSL https://github.com/perwendel/spark-kotlin

Flyway by Redgate • Database Migrations Made Easy.

A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.

Efficient reliable UDP unicast, UDP multicast, and IPC message transport

Enso Analytics is a self-service data prep and analysis platform designed for data teams.

✅ The programmer-friendly testing framework for Java and the JVM