This tool extracts metadata from TEI-compatible XML documents and displays it in name/value format. It is only available for XML.

Flamenco Search is a downloadable web-based interface from the UC Berkley School of Information based in Python, designed to run on a server. It streamlines the browsing of large collections. It is particularly valuable for items such as documents or images, enabling website visitors to explore content via a hierarchy of categories and subcategories called facets. Users can assign keywords and metadata which is then used to guide site visitors to the choices that best meet their interests, while allowing them to refine or expand their query and remain oriented in relation to the rest of the collection.

MorphAdorner, now in version 2.0, is a Java command-line program for the adornment of words in a text. At present, available adornments include standard spellings, parts of speech and lemmata, in addition to tokenization, the recognition of sentence boundaries and extracting names and places. Version 2.0 features a separate MorphAdorner Server, an improved integration with MONK's Abbot and improved processing of the Early English Books Online (EEBO), Eighteenth Century Collections Online (ECCO) and Evans Early American Imprint Collection corpori.

RoSE is a web-based system blending social computing with humanities bibliographical resources, enabling these resources to be explored as a social network. It incorporates data mined from YAGO and Project Gutenberg, offers profile pages for both persons and documents, keywords, and visualizations of the relationships between people and documents. Users are encouraged to contribute metadata supplementing the standard bibliographical data.

Apache UIMA (Unstructured Information Management application) is a software system for analyzing large amounts of unstructured data, such as a plain text document, and identifying entities, such as persons, places, organizations, or relations between entities. Discrete components (written in Java or C++) may be used within the application, such as language identification or entitiy detection. Each component provides self-describing metadata via XML descriptor files.

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.

Micro-OCP (Oxford Concordance Program) was a major and historically important textual analysis tool for microprocessor computers. It enabled users to generate concordances, word lists and indexes, in addition to facilitating text markup in COCOA or other markup languages. Micro-OCP was written in FORTRAN, ran primarily in a DOS environment and could be ported to other operating systems including UNIX.

WordCruncher is long-standing text indexing, retrieval and analysis program offered by Brigham Young University. Its functions include tagging, contextual searching, collocation and analytical reporting, and its development has been active since the 1980s.

GATE (General Architecture for Text Engineering) is free, open source software offered by the University of Sheffield since 1995. It provides a framework for users to gather a corpus, apply an ontology to it, develop markup, automate the application of the markup to the corpus and add tools such as knowledge facet search, ontology browsing or graphing.