The TC API Assembly provides access to workspaces and objects used in the Tosca Commander. The TCObject Assemly includes all Tosca Commander Exception and Object Namespaces
Using the Rest webservice it is possible to access any Tosca Workspace in order to integrate Tosca with other tools.
The chapter Extension for TBox includes an overview and description of how to extend the Tosca TBox. In the chapter Assemblies you can find a list of the used assemblies of TBox. You can use these classes and interfaces to implement your own.
TCAddons allow you to extend the functionality, such as creating additional menu entries, drag and drop operations, etc.
Tosca EngineWrapper is a Microsoft .NET interface for VB6 which allows the classic engines to be customized.