EasyCall Phone Call Center - Instantly provide voice customer support through phone calls.
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
CallKite - Your website’s video call center in just one click.
fusebill - Fusebill is the leading recurring billing and subscription management software for businesses. Try Fusebill for subscription billing made easy!
Daily.co for Intercom - Free video calls & screen shares embedded in Intercom
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.