CashNotify - CashNotify is a payments notification app for Stripe.
statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.
Newtek - Newtek is the total business solutions provider of lending, payments, technology, payroll & benefits, insurance, and more.
StatusPage.io - StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.
FastCustomer - Telephone hold application.
YUNO - YUNO is a web data driven company focussed on solving customer challenges in web data discovery and extraction space.