A perpetual CafeTran Espresso license (which includes three years of support and updates) can be purchased at a discounted price by participating at the ProZ TGB campaign:
For those who are not ProZ members, the offer costs $165 or €150, and also includes a ProZ membership, also discounted at 50%.
For ProZ members, the discount is at 40% and costs $135 or €120.
The original prices for a CafeTran Espresso one-time purchase licence are $225 and €200.
Another option: A ProZ Plus membership includes free access to a CafeTran Espresso license using your ProZ credentials (requires an Internet connection to connect to ProZ). https://go.proz.com/professional-membership