CAD Architectnew
- over 6000 downloadable CAD files for architectural symbols, drawings,
details, building templates
CAD Technology Corp.
- over 40 different libraries covering
A/E/C, piping, mechanical and electrical applications. Includes pull-down
and icon style dialog-box with source code.
CADalog.com
- offers some 5 million downloadable 2D/3D parts, in AutoCAD,
SolidWorks, and ACIS formats, with a keyword search
engine for locating components and a browser-based 3D viewer for
previewing
CADToolsOnline.com
- block libraries for AutoCAD, MicroStation and others
Code Zebra
- makers of three plug-ins: FlowTools, for diagramming, with a library
of some 8,000 symbols; LivingLegend, for creating associative symbol
legends and BOMs; and Titlezone, for title block and project data
management
DSYMS
- symbols add-on available as single pulldown for AutoCAD and AutoCAD
LT, by PennDean
EMT Software - parametric parts for AutoCAD and SolidWorks
TraceParts - offers an extensive library of mechanical components and includes a
dynamic 3D viewer for the fully parametric components, from Trace
Software.