Tools

Analysis

Textalyser

Textalyser is a free web-based text analysis tool offered by the Bernhard Huber Internet Engineering Company. Users can paste text into the provided entry field, upload a file or provide a URL for analysis. Textalyser provides detailed statistics on the text to determine subject, analyse word groupings, determine keyword density and deterimine the most prominent phrase. The Textalyser website is no longer available as of late 2014. It has been captured by the Internet Archive, and can still be viewed there.

Rated 5.0 out of 5.

Natural Language Processing

TUSTEP

TUSTEP (Tubingen System of Text Processing Tools) is a free, open source, widely-used toolbox for text processing. It is aimed at scholarly audiences, can work with texts in both latin and non-latin scripts, and is primarily designed for humanites applications. Its modules include data capture, information retrieval, text collation, text analysis, sorting and ordering, rule-based textual manipulation, data export and typesetting. The user manual is only available in German at this time. This tool has been in continuous development since the 1960s.

Rated 5.0 out of 5.

Search

Pundit

Pundit is a cloud service that allows users to 'take notes' on web documents, like a web page or a PDF file. It consists of a set of components, amongst them the Annotator, a free extension for the Google Chrome browser used by users to create the annotations. Annotations can be highlights of text parts or comments, applied either on a selection of the text or on the whole document. It is also possible to create annotations to tag a selected text or an entire web page. Pundit supports semantic annotations, real RDF triples (subject - predicate -> object) to specify formal, structured and reusable statements associated to the annotated content.

Rated 5.0 out of 5.

Visualization

Gephi

Gephi is a free, open source interactive visualization and data exploration tool. Users can manipulate the display to uncover new facets of the data, enabling intutive exploration.

Rated 5.0 out of 5.

Natural Language Processing

Mallet

Mallet is a Java based library and command line framework that provides statistical and machine learning tools for use with natural language processing.

Rated 5.0 out of 5.

Visualization

KH Coder

KH Coder is a tool for quantitative content analysis and text mining that has been under continuous development since 2001. It was originally developed for Japanese text and now supports numerous other languages, including English, Italian and French. KH Coder also has computational linguistics applications.

Rated 5.0 out of 5.

Visualization

NodeXL

NodeXL is a free, open source tool for generating and exploring network graphs from Microsoft Excel files. It is particularly suited to data from social media sources, and includes the ability to directly import data from Twitter, YouTube, Flickr and email, with additional plugins available for gathering data from Facebook, Microsoft Exchange, wikis and URLs. The tool generates visualizations that can be adjusted, zoomed and filtered, with additional features for vertex grouping, graphing metric calculations, and automating tasks. NodeXL can both import and export data in GraphML, Pajek, UCINet and matrix formats.

Rated 5.0 out of 5.

Analysis

CheckText

CheckText is a free, web-based text analysis tool. Users can paste in text, upload it from their files, or import content from a web page. For each text, CheckText generates statistics such as word count, syllable count or number of complex words, provides a reading ease and level breakdown, and graphs the most frequent words. The tool also offers a uniqueness check aimed at detecting plagiarism, and generates a PDF report containing the full text with the statistical and readability data.

Rated 5.0 out of 5.

Enrichment

Zotero

Zotero is a free tool that collects, manages and cites research sources. It stays on your web browser where you do your work and it's easy to use. It's being downloaded as a firefox extension, used with the chrome and safari browsers or used as a standalone tool. It allows you to attach pdfs, notes and images to your citations, organise them into easily searchable collections for different projects, and open office using any of over 2800 citation styles. references can be added to a zotero library in many different ways: directly from databases, journal websites, google scholar or the library catalogue, by referencing file import ( for example from an Endnote library), by dragging in pdfs from your hard drive, and by entering them manually.

Rated 5.0 out of 5.

Capture

Audacity

Audacity is a free, easy-to-use and multilingual audio editor and recorder. Basic features, as listed on their website, include: Record live audio. Record computer playback on any Windows Vista or later machine. Convert tapes and records into digital recordings or CDs. Edit WAV, AIFF, FLAC, MP2, MP3 or Ogg Vorbis sound files. Cut, copy, splice or mix sounds together. Change the speed or pitch of a recording.

Rated 5.0 out of 5.