Joist - Joist is a mobile application to manage estimates, invoicing and accounting for contractors.
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
Invoice Genius - Invoice Genius is a FREE invoice maker app for freelancers, contractors, and small businesses that...
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.
FieldPulse - All-in-one field service management solution
Elorus - A super-easy online invoicing & time tracking software