
Description: Zammad is an open-source helpdesk and customer support system. It features ticket management, knowledge base, customer portal, and integrations with various other business systems. Zammad aims to provide an affordable alternative to expensive commercial systems with similar functionality.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Zendesk is a customer service software company that provides products to manage customer support interactions. Its flagship product, Zendesk Support, is a help desk ticketing system that allows companies to track, respond to, and resolve customer support tickets.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API