From the Concrete Network
This site has a link to every construction estimating program they could find that's either available for free Web download or runs in a Web browser.
An easy way to find labor and material cost estimates for nearly any residential, commercial or industrial construction project.
Check out the Cost Estimating tool listed under "Subscriber Services" on the right side of the page. You must register (for free) to use it.
A good site to research the different software choices for cost estimating, project management and other construction business needs.
The woodworking software link includes calculators for estimating shelf sag, sizing drawers, computing board feet, and deriving wood shrinkage and moisture content. Many other good links on this site as well
Engineering News Record (ENR
The web site of an independent company committed to providing accurate, unbiased, and timely information designed to help building-industry professionals... improve the environmental performance, and reduce the adverse impacts, of buildings.
The EEBA mission is "To provide education and resources to transform the residential design, development, construction and remodeling industries to profitably deliver energy efficient and environmentally responsible buildings and communities.". Information on sustainable building may be found here.
Part of the U.S. Green Building Council, a site that can connect you to green ideas, advice and green home professionals.
Part of the National Association of Home Builders, NAHBGreen includes educational resources, info on green standards and referral to a national green home certification system.
This sourcebook is an outgrowth of the City of Austin's Green Builder Program. You can look here to find information on everything from rainwater collection to nonpolluting paints and carpets. You can also use it to locate local "green" builders.
This US Green Building Council site covers LEED, the most widely used and well-known green building rating system in the U.S.
A site offering visionary solutions for green building
This page is based on Austin Community College Library's guide on Building Construction Technology