Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Visual Studio Team Services - Visual Studio Team Services (VSTS) provides unlimited Git hosting, cloud build for CI, agile planning and continuous delivery.
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
Helix ALM - Helix ALM is the single, integrated application that lets you centralize and manage requirements, test cases, issues, and other development artifacts and their relationships.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Jama Connect - The Leader in Requirements Management Solutions