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.
DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
WindowGrid - Quickly and easily layout windows on a dynamic grid using just the mouse.
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.
Mizage Divvy - Divvy is an entirely new way of managing your workspace.