TextDNA

TextDNA is a free tool designed to facilitate large-scale analysis projects of linguistic data. Using the Sequence Surveyor system, "TextDNA supports the comparison of ordered sets of linguistic data by visualizing the sequences as colored rows and elements within the set as colored blocks within each row". TextDNA identifies pattens within a dataset and enables users to compare across corpora. TextDNA is compatible with the data stored in Google N-Grams.