JIRA is the tracker for teams planning & building great products. Millions choose JIRA to capture & organize issues, assign work, & follow team activity.
Zendesk is a cloud-based customer service software solution trusted by over 40,000 organizations worldwide. Companies such as Groupon, Box, and Zappos are using Zendesk to lower costs, raise productivity, and increase customer satisfaction.
Mailchimp Transactional Email (formerly Mandrill) is a reliable, scalable and secure delivery API for transactional emails from websites and applications.