FedEx for Salesforce - Native FedEx Shipping inside Salesforce CRM
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
Senpex - Last mile delivery & logistics platform for businesses
MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.
Stripe - Online payment processing for internet businesses. Stripe is a suite of payment APIs that powers commerce for online businesses of all sizes. Use Stripe’s payment platform to accept and process payments online for easy-to-use commerce solutions.
Elorus - A super-easy online invoicing & time tracking software