FastnEasyTax - We provide online tax filing services to Canadian taxpayers.
neo.tax - automated R&D tax credits for startups = extra month of burn
TurboTax - TurboTax Premier includes everything in Deluxe, plus additional features to help you get the most from your investments and rental properties.
Stripe Atlas Taxes - Help file your business taxes
StudioTax - Canadian Personal Tax Preparation Software - Logiciel canadien de préparation de Déclarations de revenus pour les particuliers
Quarterly Tax Calculator for Freelancers - See how much you owe to state and federal in 7 sec