Zammad is a free helpdesk or issue tracking system. It offers the connection of various channels like email, chat, telephone
Automatic Data Processing, Inc., commonly known as ADP, is an American provider of human resources management software and services. Until 2014, ADP was one of four American companies in the S&P 500 to have a AAA credit rating from both Standard & Poor's and Moody's.
ADP Integrations