neo.tax - automated R&D tax credits for startups = extra month of burn
Time Buddy - Time Buddy brings a colorful world clock.
Stripe Atlas Taxes - Help file your business taxes
Time Zone Converter - Time Zone Converter is an online productivity tool to calculate exact time across time zones.
TaxDrop - Get your taxes done in 10 minutes
World Clock - World Clock is an app that lets you see the time of any city in the world.