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mageJ is a public domain, Java-based image processing program that can display, edit, analyze, process, save, and read many image formats including TIFF, PNG, GIF, JPEG, BMP, DICOM, FITS, as well as raw formats. It also can measure distances and angles, create density histograms and line profile plots among many other features.
MALLET is open source software for topic modelling. Topic models provide a simple way to analyze large volumes of unlabeled text. A "topic" consists of a cluster of words that frequently occur together.
Data for Research (dfr.jstor.org) is a free, self-service tool that allows computer scientists, digital humanists, and other researchers to select and interact with content on JSTOR. Requires an account.
A free, open-source template for MS Excel 2007 and 2010 that makes it easy to explore network graphs. With NodeXL, you can enter a network edge list in a worksheet and click a button to see your graph, all in the environment of the Excel window.
Social Explorer provides quick and easy access to current and historical census data and demographic information. The easy-to-use web interface lets users create maps and reports to illustrate, analyze, and understand demography and social change. Users can create a free account in order to save, share, and collaborate on maps and projects. In addition to its comprehensive data resources, Social Explorer offers features and tools to meet the needs of demography experts and novices alike. From research libraries to classrooms to government agencies to corporations to the front page of the New York Times, Social Explorer helps the public engage with society and science.