There are many websites and software tools that allow you to work with corpora. Here, we present a selection we deem particularly useful for the classroom.
This website (which was founded by corpus expert Mark Davies) offers many basic and advanced tools for language analysis. It is free and does not require registration.
Click this link to see an extensive handout about the website that can be shared in class.
SketchEngine offers a very appealing and student-friendly layout as well as many corpora to navigate. It requires registration and is not completely free of charge.
Take a look at this link to see a complete overview on the website.
AntConc is a corpus software created by Laurence Anthony. It allows you to analyze texts and e.g. create word lists etc. It is free of charge and can be used for learner diagnosis.
Ideas on how to work with the software can be found here.