Licenses

Last update: May, 23. 2013 (Licenses last update: Aug, 29. 2013)

NLP tools

Library	Description	Spotlight version	Current version	License
Apache OpenNLP	Apache OpenNLP library is a machine learning based toolkit for the processing of natural language text	1.5.2	1.5.3	ASL 2.0
LingPipe	A tool kit for processing text using computational linguistics	4.1	4.1	Alias-i Royalty Free License v.1
Maxent OpenNLP	Maximum entropy modeling is a framework for integrating information from many heterogeneous information sources for classification	3.0	3.0	ASL 2.0 / LGPL v.2
Scala AhoCorasick	This is an imperative implementation of the Aho-Corasick string-matching algorithm written entirely in Scala	0.1	0.1	ASL 2.0
ScalaNLP	ScalaNLP is a suite of Natural Language Processing,Machine Learning and numerical computing libraries	0.1	0.3-SNAPSHOT	ASL 2.0

Machine learning tools

Library	Description	Spotlight version	Current version	License
Weka	A collection of machine learning algorithms for data mining tasks that contains tools for data pre-processing, classification, regression, clustering, association rules, and visualization	3.7.3	3.7.8	GPL

WEB

Library	Description	Spotlight version	Current version	License
Grizzly	Grizzlys goal is to help developers to build scalable and robust servers using NIO as well as offering extended framework components: Web Framework (HTTP/S), WebSocket, Comet, and more	1.9.48	2.3.2	CDDL v.1.1
Jersey (CLient/Grizzly/Bundle/Server)	Jersey is the open source, production quality, JAX-RS (JSR 311) Reference Implementation for building RESTful Web services	1.10	2.0-m12	CDDL v.1.1

Search Engine / Backend tools

Library	Description	Spotlight version	Current version	License
Cloud9	A collection of Hadoop tools that tries to make working with big data a bit easier	SNAPSHOT	1.4.14	ASL 2.0
Fastutil	Providing type-specific maps, sets, lists and queues with a small memory footprint and fast access and insertion	6.3	6.5.4	ASL 2.0
HSQLDB	HSQLDB (HyperSQL DataBase) is a SQL relational database engine written in Java that offers a small, fast multithreaded and transactional database engine with in-memory and disk-based tables and supports embedded and server modes	1.8.0.1	2.2.9	HSQLDB License
Kea-goss-weka	An implementation of keyphrases extraction algorithm	5.0	5.0	GPL
JDBM	JDBM provides TreeMap, HashMap and other collections backed up by disk storage	3.0-SNAPSHOT	MapDB	ASL 2.0
Lucene (Core, Analyzer, Queries, Misc, Phonetic)	information retrieval software library	3.6	4.0	ASL 2.0
Mahout collection	The Mahout Collections library is a set of container classes that address some limitations/performance problems of the standard collections in Java.	1.0	1.0	ASL 2.0
Trove	The Trove library provides high speed regular and primitive collections for Java	1.1-beta-5	3.0.3	LGPL v.2

Parsing tools

Library	Description	Spotlight version	Current version	License
Boilerpipe	boilerpipe library provides algorithms to detect and remove the surplus "clutter" (boilerplate, templates) around the main textual content of a web page	1.1.0	1.2.0	ASL 2.0
Jackson JSON Processor	JSON processor (JSON parser + JSON generator) written in Java	1.9.8	2.2	ASL 2.0
Jericho HTML Parser	Jericho HTML Parser is a java library allowing analysis and manipulation of parts of an HTML document, including server-side tags, while reproducing verbatim any unrecognised or invalid HTML	3.1	3.2	EPL v1.0 /LGPL v.2
Jettison	Jettison is a collection of Java APIs (like STaX and DOM) which read and write JSON	1.3	1.3.3	ASL 2.0
JSON Lib	JSON-lib is a java library for transforming beans, maps, collections, java arrays and XML to JSON and back again to beans and DynaBeans	jdk15 (?)	jdk15 (?)	ASL 2.0
Liftweb JSON	JSON Library	2.5-M1	2.5-M1	ASL 2.0
Neko HTML	Simple html scanner to parse HTML documents and access the information using standard XML interfaces	0.9.5	1.9.18	ASL 2.0
NxParser	NxParser is a Java open source, streaming, non-validating parser for the Nx format, where x = Triples, Quads, or any other number	1.1	1.2.3	BSD-3-Clause
OpenCSV	Opencsv is a very simple csv (comma-separated values) parser library for Java	2.0	2.3	ASL 2.0
OpenRDF (RIO)	RDF parsers and -writers for various RDF file formats	1.0.10	1.0.10	LGPL v.2
XML-APIS	Xml-commons provides an Apache-hosted set of DOM, SAX, and JAXP interfaces for use in other xml-based projects	1.0.b2	2.02(has been retired)	ASL 2.0
Stax	StAX is a standard XML processing API that allows you to stream XML data from and to your application	1.0.1	1.2.0	ASL 2.0
Xerces	Parser for XML	2.6.2(Parser API)/2.9.1(XercesImpl)	?	ASL 2.0
XOM	is a new XML object model. It is an open source (LGPL), tree-based API for processing XML with Java that strives for correctness, simplicity, and performance, in that order	1.2.5	1.2.9	LGPL v.2
XStream	XStream is a simple library to serialize objects to XML and back again	1.3.1	1.4.4	XStream License

Logging tools

Library	Description	Spotlight version	Current version	License
Log4j	Apache log4j is a Java-based logging utility.	1.2.16	2.x	ASL 2.0

Testing tools

Library	Description	Spotlight version	Current version	License
JUnit	Unit testing framework for Java	4.8.2	4.11	EPL v1.0
ScalaTest	Unit testing framework for Scala	2.0.M4	2.0.M5b	ASL 2.0

Miscellaneous tools

Library	Description	Spotlight version	Current version	License
Akka actor	Process messages asynchronously using an event-driven receive loop	2.0.5	2.1.4	ASL 2.0
Apache Commons Codec	Apache Commons Codec (TM) software provides implementations of common encoders and decoders such as Base64, Hex, Phonetic and URLs	1.6	1.8	ASL 2.0
Apache Commons Compress	Apache Commons Compress library defines an API for working with ar, cpio, Unix dump, tar, zip, gzip, XZ, Pack200 and bzip2 files	1.4.1	1.5	ASL 2.0
Apache Commons IO	Commons IO is a library of utilities to assist with developing IO functionality	2.4	2.4	ASL 2.0
Apache Commons Lang	Reusable Java components/The standard Java libraries fail to provide enough methods for manipulation of its core classes. Apache Commons Lang provides these extra methods	2.5	3.1	ASL 2.0
Apache Commons Math	Commons Math is a library of lightweight, self-contained mathematics and statistics components addressing the most common problems not available in the Java programming language or Commons Lang	2.2	3.2	ASL 2.0
Guava	Collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O	r07	r14	ASL 2.0
Http Client	Rich package that implementing the client side of the most recent HTTP standards and recommendations	4.2	4.2.5 - Replaced by Apache HttpComponents	ASL 2.0
Kryo	Fast and efficient object graph serialization framework for Java	2.20	2.21	BSD-3-Clause
JSON (binder for Java)	JSON data interchange format support in Java	20090211	?	JSON License
Paranamer	It is a library that allows the parameter names of non-private methods and constructors to be accessed at runtime (Reflection)	2.3	2.3	BSD-3-Clause
Scalaz	It provides purely functional data structures to complement those from the Scala standard library. It defines a set of foundational type classes (e.g. Functor, Monad) and corresponding instances for a large number of data structure	6.0.4	7.0.0	Scalaz License