ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
Voiptime Cloud Call Center - Cloud call center & telemarketing solution
fusebill - Fusebill is the leading recurring billing and subscription management software for businesses. Try Fusebill for subscription billing made easy!
CallKite - Your website’s video call center in just one click.
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.
Sales Sling - Cloud based auto dialer & lead management platform