RDB Link Tool

Name: RDB Link Tool
Author: Autodesk
Compatibility: Revit 2010 (Arch, Struct, MEP)
Cost: Free
URL: http://labs.autodesk.com/utilities/revit_rdb/
Description: The RDBLink tool allows the user to export data from the elements in a Revit project and maintain relationships against data that exists outside of Revit.

Material Takeoffs Applications

Revit can do its own material takeoffs, but if you are looking for a more robust program for estimating (and other tasks) you can try these programs:

Name: Innovaya Product Suite
Author: Innovaya, LLC
Compatibility: Revit 2008, Revit 2009 (through API)
URL: http://www.innovaya.com/
Description: Cost Estimating, Scheduling, Bidding/Quotes, and Construction Simulation.

Name: Building Explorer
Author: Building Explorer, Inc.
Compatibility: Revit 2008, Revit 2009 (through API)
URL: http://www.buildingexplorer.com/
Description: Cost Estimating, Scheduling, Bidding/Quotes, and Construction Simulation.

Name: Vico Product Suite
Author: Vico Software, Inc.
Compatibility: Revit 2008, Revit 2009 (plans for an API)
URL: http://www.vicosoftware.com/
Description: Cost Estimating, Scheduling, Bidding/Quotes, and Construction Simulation.

Name: BSD Product Suite
Author: Building Systems Design, Inc.
Compatibility: Revit 2008, Revit 2009 (planned bi-directional support)
URL: http://www.bsdsoftlink.com/
Description: General Cost Estimating, Spec Writing, and Performance Planning (no labor/material takeoffs).

Name: CostX
Author: Exactal International
Compatibility: Revit 2008, Revit 2009 (through DWF or ODBC)
URL: http://www.exactal.com/
Description: Cost Estimating.

Name: US COST Product Suite
Author: US COST
Compatibility: Revit 2008, Revit 2009 (through ODBC)
URL: http://www.uscost.com/
Description: Cost Estimating. Uses RSMeans.

Name: Sage Timberline
Author: Sage Software
Compatibility: Revit 2008, Revit 2009 (through innovaya)
URL: http://www.sagecre.com/
Description: Project Management Applications.

Name: DesignEst Pro
Author: WinEstimator, Inc.
Compatibility: Revit 2008 (through API)
URL: http://www.winest.com/products/add-ons/Pages/designest_pro.aspx
Description: Budgeting and Cost Estimating. Uses RSMeans (optional).

Name: QuickBill3D Composer (not yet released)
Author: eBusiness Software 121 Limited
Compatibility: Revit 2008, Revit 2009
URL: http://www.ebusiness-software-121.com/
Description: Cost Estimating.