Ghidra is a software reverse engineering (SRE) framework

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

Free universal database tool and SQL client

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

Apache Kafka - A distributed event streaming platform

Apache Flink

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

APM, Application Performance Monitoring System

A Java serialization/deserialization library to convert Java Objects into JSON and back

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

Open-source IoT Platform - Device management, data collection, processing and visualization.

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

光 HikariCP・A solid, high-performance, JDBC connection pool at last.

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

IntelliJ IDEA & IntelliJ Platform

Zipkin is a distributed tracing system

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

Quarkus: Supersonic Subatomic Java.

Apache Pulsar - distributed pub-sub messaging system

Open source alternative to Auth0 / Firebase Auth / AWS Cognito

A standalone Java Decompiler GUI

Style and Grammar Checker for 25+ Languages

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

Vert.x is a tool-kit for building reactive applications on the JVM

Free implementation of Play Services

🏗 Build container images for your Java applications.

Apache Druid: a high performance real-time analytics database.

✔️ Simple, pretty and powerful logger for android

No clever tagline needed.

Very spicy additions to the Java programming language.