What are some alternatives?
When comparing ZenDesk and Jira, you can also consider the following products
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
LiveAgent - LiveAgent is a fully-featured web-based live chat and helpdesk software. It harnesses the power of a universal inbox, real-time live chat, built-in call center, and a robust customer service portal. Start you free 14-day trial today.
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
HelpScout - Help Scout is a simple, straightforward way to provide excellent support
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.