VectorScript
VectorScript is a powerful scripting language integrated into the core of Vectorworks.
Whether you are a new Vectorworks user who wants to create simple tools, or an
experienced power-user who wants to build comprehensive solutions, VectorScript
provides a flexible and easy-to-use solution.
Vectorworks SDK
The Vectorworks SDK is a development toolkit that allows experienced C and C++
developers to write plug-ins which extend Vectorworks.
Python
Starting with Vectorworks 2014, you can now use Python as a scripting alternative to VectorScript.
FFmpeg
Vision uses code of FFmpeg licensed under the LGPLv2.1 and its source can be downloaded here.