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Visualization

ProcessingJS

ProcessingJS is an open source visual programming language for the work with data visualization, electronic arts and visual design communities. It operates under the web standards and doesn’t require any plug-ins. The tool promotes visual esthetics of computer programming on the web. ProcessingJS is a sister project to Processing .

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Visualization

Pajek

Pajek is a free tool for large network analysis and visualization in continuous development since 1996. It can handle large datasets from diverse sources, such as collaboration networks, citiation networks, data mining, and Internet-derived networks. Pajek is only available for Windows, and was implemented in Delphi (Pascal).

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Natural Language Processing

UMDHMM: Hidden Markov Model Toolkit

The UMDHMM: Hidden Markov Model Toolkit is a free UNIX implementation of hidden Markov models useful for speech recognition from Tapas Kanungo. It includes implementations of the Forward-Backward, Viterbi and Baum-Welch algorithms.

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Analysis

Apple Pie Parser

The Apple Pie Parser is a free tool from the 1990s for generating a grammar from a syntactially tagged corpus offered by the Department of Computer Science at New York University. It generates a syntactic tree like those of the Penn Tree Bank, and is still available for download.

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Analysis

Ngram Statistics Package (NSP)

The Ngram Statistics Package (NSP) is a free suite for identifying word and character ngrams in large corpora developed by Ted Pederson and his team. It also generates frequency data and co-occurrences, and can generate correlations between two files. It has been in continuous development since the 1990s and has been used in developing the SenseCluster and Senseval tools.

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Natural Language Processing

TATOO (ISSCO Tagger Tool)

TATOO (ISSCO Tagger Tool) is a free, trainable text part-of-speech tagger based on hidden Markov models offered by the ISSCO in Geneva. It was developed in the 1990s and is still available for download.

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Annotating

UVic Image Markup Tool

The UVic Image Markup Tool is a free tool for annotating images and storing the annotations in XML files from the University of Victoria's Humanities Computing and Media Centre. Its interface is designed for users without prior XML experience with additional functions for users familiar with XML, and supports multiple languages. The Image Markup Tool is available for Windows, and will also run in Linux with Wine.

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Search

JEUDEMO

JEUDEMO was an information retrieval program developed at the University of Montreal in the 1970s. It built on and extended the functionality of COCOA by including Boolean search functions to search for patterns within a text such as co-occurences, but saw limited adoption as it required texts to be supplied on punched cards or paper tape and was programmed in a language exclusive to the CDC Cyber 74 computer system.

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Analysis

RATS (Random-Accessible Text Systems)

RATS (Random-Accessible Text Systems) was a PL/I utility for text analysis developed by John B. Smith of Pennsylvania State Univeristy in the early 1970s. It was aimed at researchers with some experience with programming and aimed to streamline the text analysis process while permitting users to customize the program to suit their work. As a system, Smith promoted RATS for concordences, thematic distributions and transitional matrixes.

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Search

etcML

etcML (Easy Text Classification with Machine Learning) is a free text analysis tool from Stanford University that uses machine learning to identify positive and negative sentiments in texts. Users can analyze their own dataset, use a dataset provided with the tool, or search Twitter for keywords of interest.

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