mPowa - Secure Card Payments. Anywhere.
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
PayPeace - PayPeace is a company that brings peace, ease and profitability to mobile payments.
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.
iZettle - On our Facebook page we share our experiences and tips as well as the latest news about iZettle.
Elorus - A super-easy online invoicing & time tracking software