The Versioning Machine, now in version 4.0, is a framework and an interface for displaying multiple versions of text, and encodes the text according to TEI guidelines. It incorporates features found in both critical editions and electronic publication, in addition to providing an environment for textual editors to comparatively view the results of their edits. This tool may be downloaded for use on a local machine, or hosted on one's server for web usage.

Gigapixel is a free tool to facilitate experiments in collaborate workspaces, enabling printed visualizations to be augmented with projectors and mobile devices. This tool has been succeeded by PaperToolKit, and continues to be available as a reference resource.

The brat rapid annotation tool is an online environment for collaborative structured annotation of texts. It can be run in a browser (optimized for Chrome and Safari) or downloaded for local installation. It can be used for a variety of annotation tasks, from identitifying natural language entities to chunking to adding metadata.

Edit Flow is a free, open source WordPress plugin designed for editorial collaboration. It includes a private discussion environment, metadata management and workflow tools.

FromThePage is a free software for manuscript transcription, allowing volunteers to transcribe document pages online. Transcriptions can then be marked up and annotated in a wiki-like enviroment, with the resultant text displayed on the public web. It includes a discussion environment, enabling collaboration on particularly difficult pages. FromThePage is currently in beta, permitting up to 100 pages per project, and is in the process of developing a paid version for larger projects requiring more server space, with price determined primarily by server and maintenance costs. Privacy features are also under development, and further features forthcoming based on feedback from users.

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.

Yutzu is a collaborative tool for collecting and publishing multimedia content online, offered by the Cultureplex Lab at the University of Western Ontario. It is a web environment, designed to assist in the creative process, publication and visualization, and integrating a variety of multimedia tools. Yutzu has been used to showcase work, curate exhibitions and collections, and to facilitate teaching and learning.

MAXQDA is a commercial software package for facilitating qualitative and mixed methods research. It includes a graphical interface for organizing and categorizing data, and can import data in a wide variety of formats, including web formats, images, audio and video and spreadsheets. Data can be encoded in several ways, such as keywords, colours or symbols. It includes visualization and report generation.

Prism is a visualization tool that represents texts based on crowdsourced interpretations. Users are encouraged to highlight words in a text according to categories ("facets"). Users' individual interpretations contribute to a visualization combining the interpretations of all users of the text. As such, it reveals patterns in subjective readings of a text.

The DM is an environment for studying and annotating images and texts. It enables users to link together images, texts, or fragments of images or texts, such as a textual annotation of an image or text. It is aimed at scholars of English and French literature, art history, and musicology, and to work with digitized Old English, Latin and Old French manuscripts, medieval maps and scrolls.