Providing on-line non-downloadable software in the construction field, including commercial, residential, institutional, specialized, heavy, and infrastructure construction; Platform as a service (PAAS) featuring graphical user interface and technology framework for processes and workflows in the construction field; Providing on-line non-downloadable software featuring tools, information, and communications related to the construction field. tools, Platform as a service (PAAS) featuring information and communications related to the construction field; Providing on-line non-downloadable software related to project management, plan management, and document management; Platform as a service (PAAS) featuring information related to project management, plan management and document management