TurboTax can prepare T1 tax
returns for individuals including the deceased. If you need to prepare a T3
Trust Income Tax and Information Return, Intuit offers another product called
Profile that can do T3 returns.
http://profile.intuit.ca/professional-tax-software/profile-onepay.jsp
Here is more information
regarding preparing a T1 return for a deceased person.
https://turbotax.community.intuit.ca/replies/2647725