Java JsonPath implementation

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.

The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

Secor is a service implementing Kafka log persistence

Flexible tool to build planet-scale vector tilesets from OpenStreetMap data fast

Ultra-fast SQL-like queries on Java collections

Workload Automation System

Java Language support

GeoJson POJOs for Jackson - serialize and deserialize objects with ease

Java Spatial Index

Clojure's data structures modified for use outside of Clojure

DigitalOcean API Client in Java

Jackson serializers for JTS Geometry objects

A hashmap implementation for Java that stores map entries off-heap

Banana is a Java primitive collections library with its own memory management

GeoJSON support for Google gson library

viewtab, csvsql, and a range of utility classes for ML and data analysis.

Mirror of Apache Cocoon

A simple benchmark of some off heap solutions (BigMemory Go, MapDB, Java Chronicle...)

Mirror of Apache Hadoop common

Process Open Street Map dumps with Hadoop

My super mapping project