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.
Olivia - Your new best friend built with an artificial neural network
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
Digit - SMS bot that monitors your bank account & saves you money
Elorus - A super-easy online invoicing & time tracking software
Spendee - See where your money goes