Focus - New Tab page that gives you a moment of calm and inspires you to be more productive.
BillGrid.com - BillGrid is an easy to use online invoicing, billing and expense management system that will save you time with tracking clients projects, expenses, invoices and payments.
Deprocrastination.co - Turn your browser into a calm, lean productivity machine
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.