Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.
Amazon Pay - Amazon Pay is an online payment service that makes checkout on your site fast and secure for hundreds of millions of Amazon customers around the world.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
PayPal - PayPal is the faster, safer way to pay online without sharing financial details, send and receive money or accept credit and debit cards as a seller
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
GoCardless - UK's leading online direct debit provider