JavaScript InfoVis Toolkit

The JavaScript InfoVis Toolkit is a free set of tools for creating interactive data visualizations compatible with web standards. Visualization options include bar graphs, radial graphs, tree graphs and more, many integrating animations.

Letter-Pairs Analysis

Letter-Pairs Analysis is a free, web-based tool for calculating and visualizing the number of times a pair of letters appears in a given text. Each pair is represented as a 'bubble', sized according to how frequently that pair appears in the text. An ...

Processing

Processing is a free, open source programming language and development library for the visual arts. It is a software sketchbook, a way to visually learn programming fundamentals, and a tool for creating finished professional work, including mapping ...

RapidMiner

RapidMiner is an open source data mining tool with a GUI interface, available in both a free, unsupported 'community version' and a for-pay, fully supported 'enterprise edition'. It utilizes a standardized XML interchange format for processing, and ...

SEASR: OpenNLP Entities To Protovis Network Graph

SEASR's OpenNLP Entities to Protovis Network Graph is a free tool for extracting entities within a specified sentence distance within a text. The OpenNLP system is used to extract entities, and their relationships are represented in a link node network ...

SEASR: Date Entities to Simile Timeline

SEASR's Date Entities to Similie Timeline is a free tool for extracting data entities that may be displayed on a timeline. It uses OpenNLP to extract sentences containing dates, and SIMILE Timeline to display them.

SEASR: Flesch-Kincaid Readability Test

SEASR's Flesch-Kinkaid Readability Test is a free tool that analyses text from a URL, calculates the Flesch-Kincaid readibility measure of the text, and displays the results.

SEASR: Google Search To Entities To Protovis Network Graph

SEASR's Google Search To Entities To Protovis Network Graph is a free tool for submitting a search to Google and returning a specified number of documents for further processing. It then analyses the documents for connections within a specified number ...

SEASR: Location Entities To Google Map

SEASR's Location Entities To Google Map is a tool for extracting locations from a text that can be displayed on a map. It uses OpenNLP to extract the entities, and then displays both the sentences and the locations in Google Maps.

SEASR: NGram Tag Cloud Viewer

SEASR's NGram Tag Cloud Viewer is a free tool for generating a tag cloud from a text hosted at a URL. It can also process PDF documents.

SEASR: Tag Cloud Viewer With Stemming

SEASR's Tag Cloud Viewer With Stemming is a free tool for creating a tag cloud from a text hosted at a URL, and can process PDF documents. While this tool is similar to SEASR's NGram Tag Cloud Viewer, it applies a stemmer to the text during processing. ...

Stanford HCI Group: PaperToolkit

PaperToolkit is a free, open source toolkit for designing pen and paper applications. Applications generated with this tool are intended for printing on a paper surface that allows some digital interaction, such as the related ButterflyNet or Interactive ...

Stanford Mobisocial Lab: Muse

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 ...

Stanford HCI Group: Gigapixel

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 ...

Stanford NLP Group: Stanford Word Segmenter

Stanford Word Segmenter is a free, open source Java-based tokenization tool for Chinese and Arabic text that integrates token pre-processing, or segmentation. For Arabic, the tool processes text according to the Penn Arabic Treebank 3 standard. For ...