LIWC (Linguistic Inquiry and Word Count) is a text analysis program available for purchase. It calculates the degree to which various categories of words are used in a text, and can process texts ranging from e-mails to speeches, poems and transcribed natural language in either plain text or Word formats. A free, minimalist web version is available through the website.

Minnesota Contextual Content Analysis is a free legacy tool that has been maintained online. It characterizes texts based on relative frequency, and generates statistical analysis from it. It also includes classifications and is designed to handle texts in a wide range of lengths.

Tropes is a legacy commercial text analysis tool now available for free. It is designed for natural language processing and semantic classification, including chronological analysis of sequential pieces of text and summarization. It includes a graphical interface and can generate a variety of hypertext-based graphs.

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.