There are a large number of plug-ins available for TurboCAD. The most well known
are TurboCADCAM and AnimationLab.
TurboCAD's architecture allows you to extend the functionality of TurboCAD using
the guidelines defined in the SDK documentation. The plug in can have menu entries,
toolbars and/or palettes.
For a complete list of af available plugins, macros, scripts etc go to the
TurboCAD Developers Resource Centre and open the File Library page.