With text analytics, one can spot patterns in massive collections of textual data. (This said, the technology can be complicated.) The details of four easy-to-use free/open source text analysis software are at https://www.softwareadvice.com/resources/easiest-to-use-free-and-open-source-text-analysis-software/. The selection includes RapidMiner + AYLIEN, KNIME Analytics Platform, Open Calais, and AntWordProfiler. (Quick notes on five other free/open source software packages are given for good measure.)