BillGrid.com - BillGrid is an easy to use online invoicing, billing and expense management system that will save you time with tracking clients projects, expenses, invoices and payments.

MyAdLibrary - MyAdLibrary is the marketing tool that provides you the features to monitor and spy the results of the Facebook ads.

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

Pudding.ai - Real-time ad creative analysis solution that helps marketers to easily understand ad creative performance with actionable insights.

Elorus - A super-easy online invoicing & time tracking software

AdPlexity - AdPlexity is a popular and highly effective competitive intelligence service in the world and is a perfect fit for individuals looking up to their ad campaigns and crush the competition.