A high performance caching library for Java

Apache Pulsar - distributed pub-sub messaging system

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

AutoMQ is a diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.

Traccar GPS Tracking System

Open source routing engine for OpenStreetMap. Use it as Java library or standalone web server.

MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap-memory. It is a fast and easy to use embedded Java database engine.

Soot - A Java optimization framework

A new data structure for accurate on-line accumulation of rank-based statistics such as quantiles and trimmed means

jsprit is a java based, open source toolkit for solving rich vehicle routing problems

Apache ORC - the smallest, fastest columnar storage for Hadoop workloads

A fast, log structured key-value store.

Geohash utitlies in java

The database purpose-built for stream processing applications.

Java library for ed2k networks

Bittorrent Mainline DHT implementation in java

Library to access and build for Polkadot using Java

A Java library for byte pattern matching and searching

Java SDK for immudb

Log4j2 custom appender plugin for securing logs with immudb and immudb vault.