Chargebee - Chargebee lets you manage subscriptions and payments at scale, handle custom recurring billing scenarios, reduce subscription churn and simplify accounting.

ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.

Portal - Financial Aid Award Letter, - Messages and Calendar, - Grades.

fusebill - Fusebill is the leading recurring billing and subscription management software for businesses. Try Fusebill for subscription billing made easy!

Oopy - Start your subscription business with Notion and Stripe

MinuteDock - Web-based time tracking software designed to integrate with the Xero accounting package.