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.
Bunnyshell - Everything already automated, from code to production: create servers, provision & configure, deploy.
ChargeOver - ChargeOver automates recurring billing, subscription billing, & payment acceptance. A SaaS that integrates with Xero, Quickbooks, & has an API. Free trial.
Dealflow by Micro Acquisitions - Automate your small business acquisition pipeline
fusebill - Fusebill is the leading recurring billing and subscription management software for businesses. Try Fusebill for subscription billing made easy!
The DevOps 2.0 Toolkit - Automating the continuous deployment pipeline