Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
VOGSY - Professional service automation tool built on Google G Suite
Corecon - Corecon offers integrated estimating, project management, and job costing for small to medium-sized construction companies.
Office Timesheets - Professional Services Automation
COBRA Contractors Software - Cobra-USA specializes in the development of contractor business software, which is specific to electrical, plumbing and HVAC industries.