avaamo - Simple, Secure Business Messaging
Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
Facebook Messenger - Facebook Messenger is a faster way to message.
PlanGrid - The #1 construction app. Used by thousands of companies to save time, money, and ditch paper plans forever.
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Corecon - Corecon offers integrated estimating, project management, and job costing for small to medium-sized construction companies.