PhiloGL is an open source WebGL Framework for advanced data visualization, creative coding and game development. It includes a module system encompassing Program and Shader management, IO, XHR, JSONP, Web Worker management, Effects and Tweening, among others.

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.

Juxta is a free, open source tool for comparing and collating texts, originally intended for comparing multiple versions of the same text. It offers several views and visualization options, including histograms and side by side comparison. Juxta is available as both a desktop application and as a web service that can be integrated into the user's own website.

DiscoverText is a cloud-based textual analytics tool available for purchase. It is designed to collect data from sources such as social media, blogs and a variety of document formats, and generate tag clouds and reports from the resulting corpus.

Meld is a free, open source tool for comparing files, directories and version-controlled projects developed in Python by Kai Willadsen. It features two- and three-way comparison of files and directories, supports numerous version control systems, and is particularly useful for reviewing changes to code. This tool can be downloaded or run without an install via the command line by copying the source code directly from the repository.

PAIR (Pairwise Alignment for Intertextual Relations) is a free, open source sequence alignment algorithm for humanities text analysis. It identifies similar passages in a large corpus. Corpuses are indexed for future use, and incoming texts can be compared against the entire corpus.

TextDNA is a free tool for large-scale overview analysis of linguistic data offered by the University of Wisconsin, Madison. It identifies patterns within a text, and enables users to compare ordered sets of data with its sequence visualization. It can be used with texts stored in databases, Google N-Grams datasets and CSV files.

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.

Qualrus is a commercial application for qualitative data analysis, including data coding and statistics functions. It can analyze data from a wide variety of sources, including common text, web, image, video and audio files. The data coding functions are supplemented by machine learning processes to assist data processing and analysis. In terms of analysis, it offers a number of common text analysis functions including tokenization, co-occurences, and Boolean search, and can visualize a network view of interrelationships. It is particularly aimed at academic and institutional applications, and both student and free trial versions are avaiable.

Carrot2 is a free, open source search clustering engine with additional document categorization functions. For each set of search terms, Carrot2 provides a topic tree and subtopics built from the search results, and generates visualizations that enable users to quickly overview their search. Searches can be filtered according to source, such as Bing, image files or the Wikipedia, results can be clustered according to several presets such as K-means or URL, or filtered by country and langauge. Carrot2 enables users to download results in ranges from 50 to 200 for further analysis.