I use Dropbox and ClearTax more often. Most of YC startups are not available globally but I really admire Airbnb, Wefunder, RazorPay. What are lesser known YC startups that you use on daily basis or of which you are a paid customer?
Heroku ($), Docker, reddit, used Stripe ($) in the past, mixpanel ($), dropbox, segment ($), NewsBlur, MessageBird ($), Mailgun ($), CoreOS<p>($) := I pay for the service