Apache Kafka - A distributed event streaming platform

A high performance caching library for Java

Graphs for Everyone

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

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

Apache ZooKeeper

The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies

Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.

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

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

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

Gephi - The Open Graph Viz Platform

Apache NiFi

A Minecraft mod designed to improve frame rates and reduce micro-stutter

Apache Calcite

Distributed Peer-to-Peer Web Search Engine and Intranet Search Appliance

Google Reader inspired self-hosted personal RSS reader.

1.21.11 Lightweight Minecraft server

An open source clone of Amazon's Dynamo.

Apache TinkerPop - a graph computing framework

Apache BookKeeper - a scalable, fault tolerant and low latency storage service optimized for append-only workloads

Internet search engine for text-oriented websites. Indexing the small, old and weird web.

Use Log4Shell vulnerability to vaccinate a victim server against Log4Shell

JavaCC - a parser generator for building parsers from grammars. It can generate code in Java, C++ and C#.

Java streaming parser/serializer for Ion.

A Java library for parsing and building iCalendar data models

Graphstream core

💾 Create block devices on your computer backed by Redstone Memory

Typechecked or Runtimechecked State Machines in Java

Simple and secure personal backup