Stars
The Hypersistence Utils library (previously known as Hibernate Types) gives you Spring and Hibernate utilities that can help you get the most out of your data access layer.
Supplementary resources for the AWS Lambda Developer Guide
A cluster computing framework for processing large-scale geospatial data
Implementation of GeoHashes in java. We try to be/stay compliant to the spec, as far as possible.
LocationTech Spatial4j: A Geospatial Library for Java
Create custom vector tiles from OpenStreetMap and other data sources with Postgis and Java.
Java client library for GeoServer
ESA Earth Observation Toolbox and Java Development Platform
Additional plugins and extension for the standard Java ImageIO library
Java language library for developing geospatial applications following OGC/ISO standards.
Spatial analysis tools for Geotools, Geoserver WPS, uDig Statistics Toolbox
A lightweight Java library that facilitates reading and writing Apache Parquet files without Hadoop dependencies
Assert SQL statement count generated by Hibernate in Spring tests
Concave Hull library based on JTS, supporting mulitple criteria, multi-part hull and hull with holes
A scripting language to create and analyse raster images
An interactive tool and a library to georeference images using free and open source software. A World file and the KML format enable GIS programs to read georeferenced images.
A PoC using PostGIS Raster extension with AWS open dataset elevation tiles
An implementation of the Conrec Algorithm (http://paulbourke.net/papers/conrec/) for Java
AWS Lambda function in Java using GDAL to extract min/max values from geospatial datasets
Example of getting GDAL running on Ubuntu for a simple JAVA app