General Actions:
Provides open-source implementations of Sun specifications.
Apache Ant
The boilerpipe library provides algorithms to detect and remove the surplus "clutter" (boilerplate, templates) around the main textual content of a web page. The library already provides specific strategies for common tasks (for example: news article extraction) and may also be easily extended for individual problem settings. Extracting content is very fast (milliseconds), just needs the input document (no global or site-level information required) and is usually quite accurate. Boilerpipe is a Java library written by Christian Kohlschütter. It is released under the Apache License 2.0. The algorithms used by the library are based on (and extending) some concepts of the paper "Boilerplate Detection using Shallow Text Features" by Christian Kohlschütter et al., presented at WSDM 2010 -- The Third ACM International Conference on Web Search and Data Mining New York City, NY USA.
XWiki Platform - Core - Parent POM
XWiki Platform - Skin - API
Parsers and renderers based on Doxia
XWiki Platform - Rendering - Macro - Cache
XWiki Commons - Component - Observation
The NetCDF-Java Library is a Java interface to NetCDF files, as well as to many other types of scientific data formats.
Log4j implemented over SLF4J
XWiki Rendering - Syntax - XHTML and HTML
Tools for manipulating files on the filesystem in a transaction safe way.
Apache POI - Java API To Access Microsoft Format Files
Collection of Java 1.4-compatible utility classes for advanced systems and applications.
Commons Object Pooling Library
XWiki Commons - Extension - Repository - XWiki client
Displays the macro instances (gadgets) inside in a dashboard.
Publish and display user status messages in different streams