Word clouds provide an intuitive way to visualize word-frequency in corpora and are easy to generate. WordSwarm is a new free tool for animating word clouds that show how buzz-words ebb and flow in chronologically ordered text such as journals, blogs, and even Google n-grams.
MicroStrategy Analytics Desktop is a fast, easy, and beautiful way to explore data and share your insights. Effortlessly build dashboards with a wide range of interactive visualizations. Free download.
BIDMach machine learning toolkit offers "rooflined" (optimized to the limit) compute primitives and competitive performance on learning tasks like regression, clustering, classification, and matrix factorization.