The VCV Template plugin is a starting point for developing your own plugins for VCV Rack. It implements a simple sine VCO, demonstrating inputs, outputs, parameters, and other concepts.
See https://vcvrack.com/manual/PluginDevelopmentTutorial.html for a development tutorial.
I welcome Issues and Pull Requests to this repository if you have suggestions for improvement.
This template is released into the public domain (CC0).