This tool compares two documents by comparing the words in each according to user specifications. XML and plain text versions are also available in the TAPoRware toolsets.

This tool’s functionality has been incorporated into Voyant available online at www.voyant-tools.org

This tool compares two documents by comparing the words in each according to user specifications. HTML and plain text versions are also available in the TAPoRware toolsets.

This tool’s functionality has been incorporated into Voyant available online at www.voyant-tools.org.

This tool compares two documents by comparing the words in each according to user specifications. HTML and XML versions are also available in the TAPoRware toolsets.

This tool’s functionality has been incorporated into Voyant available online at www.voyant-tools.org

This tool compare the text submitted by the user with a predefined control corpus. The tool lists the words common in both texts, in an order set by the user. At present, the tool only offers the Brown Corpus, with more predefined control corpus forthcoming. Users can also upload a text of their own as control corpus.

This tool’s functionality has been incorporated into Voyant available online at www.voyant-tools.org.

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.

Wmatrix is a free tool for corpus analysis and comparison. It provides a web interface for USAS and CLAWS, in addition to enabling standard corpus linguistic functions such as frequency lists and concordances.

SimpleTCT (Simple Text Comparison Tool) is a free Java-based text comparison tool offered by Open Digital Arts & Humanities Tools (OpenDAHT). It offers a simplified management environment that enables users to display .rtf files, in which they may define themes, highlight passages and add researcher notes. The modified document can then be exported for later use.

Kaleidoscope is a tool designed to assist users in spotting differences between versions of a text, source files or images. It allows direct comparison of images, texts to be merged into a single edition, and files to be differentiated.

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.

Crawdad is a commercial software package for qualitative data analysis based on natural language processing. It generates a network model of a text and calculates word influence based on its position within the network. It also includes visualization, classification and comparator features. A trial version is available by request.

The Crawdad website is no longer maintained or available. It can still be viewed via the Internet Archive.