Coh-Metrix Web Tools
Free online versions of Coh-Metrix are available for trial purposes:
Coh-Metrix Web Tool
Coh-Metrix Text Easability Assessor - this tool no longer maintained on this site. Please use TERA below for the same functionality.
T.E.R.A. direct link
Coh-Metrix Web Tool (Traditional Chinese)
To avoid getting errors, you need to use Firefox or Chrome.
LIWC: Linguistic Inquiry and Word Count