neo.tax - automated R&D tax credits for startups = extra month of burn
Fantastical 2 - Fantastical, the Mac calendar app you'll enjoy using. Quickly create new events with natural language input and more.
Stripe Atlas Taxes - Help file your business taxes
Google Calendar - Spend less time managing your day & more time enjoying it
Quarterly Tax Calculator for Freelancers - See how much you owe to state and federal in 7 sec
Superpowered - Power through the day without your calendar