Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
CMiC - Cloud-based, single database PM and financials software
Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.
Infor Construction - Infor Construction provides the accurate information you need to manage your business more efficiently and profitably.