Anthologize is a free, open-source plugin for WordPress 3.0. It enables WordPress to be used as a platform for publishing electronic texts in PDF, ePUB or TEI format. The plugin enables users to grab their existing blog posts, export content from external feeds or compose new content directly in Anthologize, then apply outlining, create a custom order, and edit content into a single document for export. Anthologize requires a self-hosted or local installation of WordPress.

Scripto is a lightweight, open source tool for crowdsourcing transcriptions for Humanities projects. Projects utilizing Scripto can manage contributions via full editorial controls and a versioning history.

Philologic is a free, open source full-text search, retrieval and analysis tool developed by the ARTFL Project and the Digital Library Development Centre, at the University of Chicago. This tool supports a wide variety of XML and SGML encoded documents, in addition to plain text, Dublin Core and HTML, and includes a MySQL back end. It is designed ot be light, fast and robust, boasts extensive use and testing, and can be used directly 'out of the box' with numerous configuration options built in.

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.

Sophie is a free, creative commons authoring tool from the Institute for the Future of the Book and the University of Southern California's School of Cinematic Arts that enables collaboration, reading and publication. Its highlights include an authoring environment that allows users to create complex networked multimedia documents, a reader than opens books in a browser without downloading additional software, comment frames for adding discussions within books, digital libraries compatible with the Sophe iPad app, timeline creation and collaborative book creation. As of version 2.1, Sophie includes HTML5 export for data integrating multimedia content and for use on a wide variety of devices.

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

R is an open source programing language designed for statistical analysis and parallel computing. R began its life as a research project at the University of Aukland, but has since expanded to become a collaborativly run open source project run by the GNU. R has libraries for data import, regular expression data splitting, and visualization of data. R can be run as either a script or as a working environment.

HyperPo is an important legacy tool, developed as the first web-based text analysis tool aimed at humanities scholars available from 1996 through 2006. Users could input a web address, upload a file or directly enter text for analysis. HyperPo's interface was available in both English and French. Though no longer available for use, a capture of HyperPo can be viewed through the Internet Archive's Wayback Machine.

Leximancer is an application for identifying key concepts in a text, and exploring the results through interactive visualizations and data exports. It includes concept and network cloud visualizations, a sentiment lens, a query system, and multiple data export options for futher analysis. The system accepts texts in a variety of formats including plain text, CSV, HTML and XML, and supports 17 languages beyond English. Users can either purchase a license for the desktop version (Windows and OS X supported), or purchase access to the online LexiPortal, which charges based on months of usage rather than on a subscription basis. A free trial of the LexiPortal is also available.

Visual Understanding Environment (VUE) is a free, open source application for mapping concepts, ideas and digital content. It enables users to generate nodes and links, and apply a simple set of tools to explore the relationships. VUE is, in the words of its developers, an application to "integrate, organize and contextualize electronic content" in research or learning environments. Its tools include visualization, dynamic content mapping, semantic mapping, enhanced pathways and search functions.