Downloadable computer software for providing a platform for viewing, organizing, indexing, manipulating, interacting with, bookmarking, linking, uploading, downloading, viewing and displaying home designs and plans, architectural drawings and details, 3D models, specifications, materials, and other goods and services in home design, building, and remodeling, including the ability to annotate, tag, markup, create, and share, online media content, photos, videos, links and content of the same; Downloadable computer software for providing a searchable database and platform for the bidding and estimating of projects for building or remodeling purposes of homes and buildings using data and information gathered and for bringing suppliers and consumers together; Downloadable computer software for electronic communication and collaboration between manufacturers and suppliers of building materials, supplies, and fixtures, with contractors, specialty trades, sub-contractors, project owners, architects, home designers, engineers, interior decorators and designers, and others in the pre-construction, construction, and post-construction phases; Downloadable computer software for facilitating the discovery, creative and planning stages of projects for building or remodeling purposes of homes and buildings including workflow, design, and sharing of information and ideas through electronic means and for providing a platform for commenting, messaging, discussion, annotating and notifications, social media linking and sharing, and other means of electronic communication and collaboration; Downloadable computer software for providing an online social networking experience in both public and private instances, in the field of architecture, building design and construction, which is searchable and shareable