Free and Open Source, Distributed, RESTful Search Engine

Ghidra is a software reverse engineering (SRE) framework

Dex to Java decompiler

A libre lightweight streaming front-end for Android.

Learn System Design concepts and prepare for interviews using free resources.

Apache Kafka - A distributed event streaming platform

Conductor is an event driven agentic orchestration platform providing durable and highly resilient execution engine for applications and AI Agents

Apache Flink

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

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex di…

A tool for reverse engineering Android apk files

ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.

Zipkin is a distributed tracing system

QuestDB is a high performance, open-source, time-series database

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

Quarkus: Supersonic Subatomic Java.

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

Apache Pulsar - distributed pub-sub messaging system

🏗 Build container images for your Java applications.

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

🔎 Open source distributed and RESTful search engine.

Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)

Apache ZooKeeper

Stetho is a debug bridge for Android applications, enabling the powerful Chrome Developer Tools and much more.

Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance …

Apache Iceberg

Apache Beam is a unified programming model for Batch and Streaming data processing.

A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages.

1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java