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Starred repositories

30 stars written in Java
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OpenRefine is a free, open source power tool for working with messy data and improving it

Java 11,786 2,133 Updated Mar 24, 2026

Pentaho Data Integration ( ETL ) a.k.a Kettle

Java 8,321 3,585 Updated Mar 24, 2026

Official GeoServer repository

Java 4,299 2,289 Updated Mar 23, 2026

Apache Jena, A free and open source Java framework for building Semantic Web and Linked Data applications.

Java 1,303 680 Updated Mar 23, 2026

OWL API main repository

Java 894 314 Updated Mar 2, 2026

Ontop is a platform to query relational databases as Virtual RDF Knowledge Graphs using SPARQL

Java 811 180 Updated Mar 21, 2026

Information Integration Tool

Java 604 194 Updated Apr 16, 2025

Eclipse RDF4J: scalable RDF for Java

Java 397 181 Updated Mar 23, 2026

SPARQL Anything is a system for Semantic Web re-engineering that allows users to ... query anything with SPARQL.

Java 285 18 Updated Mar 23, 2026

A simplified blockchain implementation in Java

Java 231 117 Updated Feb 5, 2022

XML Calabash, an XProc processor

Java 111 40 Updated Jun 18, 2024

Computer Assisted Text Markup and Analysis

Java 98 11 Updated Mar 16, 2026

Gradle plugin for automating everything involving MarkLogic

Java 74 81 Updated Mar 17, 2026

Kitodo.Production is a workflow management tool for mass digitization and is part of the Kitodo Digital Library Suite.

Java 71 68 Updated Mar 23, 2026

Named Entities Recognition Annotator Tool for Europeana Newspapers

Java 61 6 Updated Jan 12, 2018

Re3gistry is a reusable open source solution for managing and sharing ‘reference codes’, ensuring semantic interoperability across organisations.

Java 36 23 Updated Mar 18, 2026

The BridgeDb Library source code

Java 35 22 Updated Mar 21, 2026

Java library for nanopublications based on RDF4J

Java 31 16 Updated Mar 20, 2026

The DataCite Metadata Store (MDS)

Java 25 16 Updated Oct 27, 2018

Web version of ontology creation tool Populous

Java 16 3 Updated Mar 16, 2022

Named Entity Recognition tool for Europeana Newspapers

Java 14 3 Updated Apr 5, 2018

Command Line Interface (CLI) to export METS/ALTO documents to other formats.

Java 13 1 Updated Apr 25, 2022

Implementation of the X3ML mapping format for the CIDOC CRM-LAB project.

Java 10 17 Updated Jul 20, 2021

A mirror of the sparql-query-bm code from http://sourceforge.net/projects/sparql-query-bm/

Java 7 2 Updated Sep 20, 2021
Java 7 5 Updated Jul 4, 2012

Tool for curating mappings from free text to ontology terms

Java 6 1 Updated May 30, 2023

NGA's Data Services APIs - a SpringBoot / RESTful but (for now at least) read-only services implementation for art data, media, and eventually, much more.

Java 4 1 Updated Oct 3, 2024

Utility to parse a regnal date string into the YYYY-MM-DD format.

Java 2 1 Updated Mar 1, 2021

FIMS is a web application suitable for documenting, recording and managing XML files stored in an XML database.

Java 2 Updated Apr 1, 2019

Oxygen XML Editor plugin, used in the Beyond 2022 Medieval Gold Seam, to encode dates in a TEI/XML <date/> element.

Java 1 Updated Dec 17, 2021