FastCustomer - Telephone hold application.
statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.
Lucyphone - Telephone hold application.
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.
GetHuman - Find customer service numbers fast
YUNO - YUNO is a web data driven company focussed on solving customer challenges in web data discovery and extraction space.