AntCont - is a very friendly tool for a quick text search for words, word patterns and word clusters. There are various benefits of using it:
1. Learn how words and phrases are used in your corpus (e.g. Literature or Writing class)
2. Concordance Plot: text is represented as a vertical bar and searched items are shown where they appear in the text. An example of use would be a location of an actor or specific event during the course of a novel.
3. Create a word list and search for collocates that can be ordered by the frequency of the left or right term.
4. It runs on any computer platforms and it is free.