SELECT (Sum and Evaluate the Largest Exponentiated Correlation Terms) was a computer program for identifying associationally rich words for content analysis emerging from the WORDS research program developed in the 1970s. Although historically important, SELECT is no longer available and does not have an web presence.

The General Inquirer is a historically important program for content analysis of textual data originally developed in the 1960s by Philip Stone and his colleagues at the Harvard Laboratory of Social Relations. Though the original release used punched cards, a version the program is available by request, and can be obtained by e-mailing Roger Hurwitz from an academic address. A minimalist web version capable of processing small files is also available. The General Inquirer's homepage is maintained in Philip Stone's memory.

TextQuest is a text analysis program available for purchase. It is designed to conduct analysis ranging from word lists to concordances to content and readability analyses.

WordStat is a commercial software package for content analysis and text mining on natural language text such as interview transcripts. It also includes features for automatic document tagging and classification.

Yoshikoder is a free, open source cross-platform content analysis program. It works with text documents to apply basic content analysis in any language, examine KWIC, generate summaries and generate content analysis dictionaries.

SALT (Systemic Analysis of Language Transcripts) is a commercial software package for working with large datasets derived from transcripts. It includes transcription tools, text analysis based on natural language processing, content analysis, classification, and statistics. The Research version includes expanded search and metadata functions, and common text analysis functions such as word lists. A trial version is available.

HAWKEYE was a program for text analysis for the IBM 370 and developed in the 1970s. It could accept text from an IBM typewriter and had functions to describe text componants such as words and clause lengths, conduct frequency analyses, and generate word-class distributions. HAWKEYE was written in PL/I as an updated and improved verison of EYEBALL.

DISCAN was a tool for content and discourse analysis originally available for mainframe computers, and adapted for PCs with DOS 3.0 in 1991. It accepted ASCII files, could create KWIC and co-occurrence listings, and had modules for both creating content analysis dictionaries and performing content analysis.

KH Coder is a tool for quantitative content analysis and text mining that has been under continuous development since 2001. It was originally developed for Japanese text and now supports numerous other languages, including English, Italian and French. KH Coder also has computational linguistics applications.

NodeXL is a free, open source tool for generating and exploring network graphs from Microsoft Excel files. It is particularly suited to data from social media sources, and includes the ability to directly import data from Twitter, YouTube, Flickr and email, with additional plugins available for gathering data from Facebook, Microsoft Exchange, wikis and URLs. The tool generates visualizations that can be adjusted, zoomed and filtered, with additional features for vertex grouping, graphing metric calculations, and automating tasks. NodeXL can both import and export data in GraphML, Pajek, UCINet and matrix formats.