Plugins extend the functionality of Annotorious. The following plugins are currently available:
A simple toolbar to switch between drawing tools.
A storage plugin that uses Google Firebase as a cloud annotation store.
A plugin that uses TensorflowJS to provide AI-powered automatic tag suggestions. Tag image regions manually first. After learning from at least two examples, the plugin provides tag suggestions automatically.
A plugin that adds a new drawing tool to Annotorious and Annotorious OpenSeadragon: the Tilted Box. Draw a rectangle with arbitrary rotation with only two clicks.