Open Source RSS & RDF Tools in Java

MindRaider is a personal notebook and outliner that connects outline editing with Semantic Web tech (RDF, URIQA). Organize knowledge and resources; runs on Windows, Linux, Java. Successor: MindForger.

curn is a command-line, caching RSS reader in Java. Run via cron or Windows Scheduler; uses If-Modified-Since to minimize bandwidth. Configurable output (HTML, text, FreeMarker templates, custom handlers).

ROME is a Java library for parsing and generating RSS and Atom feeds. Unified SyndFeed model across formats; supports RSS 0. 9x–2.

Open-source Java framework for storing, querying, and reasoning with RDF and RDF Schema. Used as an RDF database or as an in-process library. The codebase is maintained as Eclipse RDF4J.

Apache Jena is a Java framework for building Semantic Web applications: RDF API, ARP parser, SPARQL, OWL API, rule-based inference for RDFS and OWL. Originally on SourceForge; now an Apache project.

Cross-platform application to organize, search, and read RSS, RDF and Atom news feeds. Supports saved searches, full-text search, filters, and a flexible UI; can be installed as an Eclipse plugin.

BlogBridge is a cross-platform Java RSS aggregator for heavy feed users (e. g. journalists).

Feedzeo is an RSS/RDF/Atom aggregator and reader: Java server that fetches feeds and publishes HTML/data, plus AJAX web client to view and subscribe. LGPL; Windows and Linux installers.

Flock is a server-side Java RSS aggregator accessible via browser; similar to AmphetaDesk. Available as Jetty bundle or WAR for Tomcat. SourceForge project.

HotSheet is a Java RSS news aggregator that fetches headlines from multiple feeds and displays them in a GUI; includes a reusable RSS library. BSD-licensed; project on SourceForge.

Informa is a Java RSS aggregation library with a unified channel/item model for RSS 0. 9x, 1. 0, 2.

JSwingReader is a Java/Swing RSS news feed reader. Apache-licensed; pre-alpha releases on SourceForge.

nntp//rss is a Java bridge between RSS feeds and NNTP: RSS feeds appear as newsgroups in your NNTP client. Includes NNTP server, RSS aggregator, and web admin UI. Supports Derby, MySQL; tested with Mozilla, Outlook Express, Gnus, etc.

RSS Viewer is a portable Java viewer for RSS/RDF newsfeeds: article database, drag-and-drop, external browser, built-in HTML preview, multiple views. GPL; runs on Windows, Linux, macOS.

Java API to parse and retrieve information from RSS feeds. Supports RSS 0. 9x, 1.

Java class library for generating and consuming RSS data in various formats, based on a simple object model.

Java toolkit for generating and processing Atom syndication messages. Provides an idiomatic object model for Atom feeds and builders from various XML inputs.

Open-source Java API for reading and writing RSS feeds with a unified builder-style data model. Supports RSS 2. 0, RSS/RDF 1.

Apache Commons FeedParser: event-based Java parser for RSS (0. 9–2. 0), Atom, OPML, FOAF.

FeedPod was a Java web app that converted RSS/Atom feeds to podcast-style audio via text-to-speech for download to MP3 players. Originally on java. net; project archived.

Oroboro was a lightweight Java RDF framework for conversion and data integration: RDF model, Datalog inference (OWL RL), codecs for RDF serializations, XML/XSLT and SAX adapters. Originally on Google Code; domain oroboro. net now parked.

RDF2Go is an abstraction layer over triple and quad stores: program against a Model interface and swap implementations (e. g. Sesame, Jena).