Muse is a free, open source JavaScript tool for reflecting on and searching for patterns in the past by examining one's personal e-mail archive. It analyses e-mail to generate several views including a sentiment graph from messages that may reflect particular emotions or feelings, inferred groups based on communications with various contacts, a calendar view, or an an attachment wall of all documents attached to e-mails.

CommentSpace is a free, collaborative tool for analysis of comments and visualizations on a website. It uses tags and links to organize the findings and identify contributions from particular users. This tool can assist analysts in identifying evidence and establishing common ground, and can help teams in evidence-gathering and synthesis tasks.

Gephi is a free, open source interactive visualization and data exploration tool. Users can manipulate the display to uncover new facets of the data, enabling intutive exploration.

DiscoverText is a cloud-based textual analytics tool available for purchase. It is designed to collect data from sources such as social media, blogs and a variety of document formats, and generate tag clouds and reports from the resulting corpus.

Timeline JS is a free timeline tool that can be poplulated from either a Google spreadsheet or a JSON file, and can draw media material from a variety of sources, such as Twitter, Flickr, Wikipedia, YouTube and more. It has been designed to be both easy to use and easy to embed the results in another web page.

Pattern (CLiPS) is a web mining module for Python designed for computational linguistic and psycholinguistic research. It integrates tools for data retrieval from search engines, social media, web spiders and individual websites, and can accomplish text analysis, natural language processing and data visualization.

Trend Miner is a tool designed to enable portable open-source real-time methods for cross-lingual mining and summarizing of large-scale stream media. It combines elements from natural language processing, knowledge-based reasoning, machine learning, economics and political science. It is designed to access and interpret data from sources such as blogs, Facebook and Twitter.

Textal is a text analysis app for the iPhone and iPad offered by the UCL Centre for Digital Humanities. It creates word clouds from texts, websites, tweets and documents, then allows users to explore the statistics and relationships between words in the text. As a tool, it is intended as an introduction to to text analysis while expanding the functionality traditionally implemented in word clouds.

NVivo is a commercial software package for creating workspaces and corpuses. Its features include importing YouTube videos and comments, social media posts and discussions, web page and PDF capture, multiple language support and support for a wide variety of data formats such as spreadsheets, images, database tables and so on. Users can query their data in a variety of ways, annotate, cross-link and visualize connections, ideas and findings with charts, maps and models

UCINET is a software package for analyzing network data, available for purchase and with a 90-day trial period. This tool has been in continuous development since the 1980s, and now includes the capacity to gather and analyze social network data.