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

PocketGuard - PocketGuard categorizes and organizes your expenses, monthly bills and subscriptions into clear, beautiful tabs and graphs, so you will always be on top of your finances.

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

EveryDollar - Budgeting and expense tracking app

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

Goodbudget - A home budget app based on the envelope budget system. Available on the web, Android, and iPhone.