Autodesk BIM 360 - Autodesk BIM 360 is a construction project management software.
UserVoice - UserVoice integrates easy-to-use feedback, helpdesk, and knowledge base management tools in one platform that empowers users to speak and companies to understand.
Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
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
PlanGrid - The #1 construction app. Used by thousands of companies to save time, money, and ditch paper plans forever.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.