Kili Technology provides a simple classification interface for image.
For single choice, choose input: radio button.
For multiple choice, choose input: check box.
For dropdown choice, choose input: dropdown. Dropdown is especially relevant for long lists. It allows to search, and to filter out the list easily.
To build nested classification, choose input: check box. See configuration in the customize interface section.
In your classification tasks, some shortcuts are automatically generated to speed your annotation process. They can be visualized clicking on the keyboard icon left of the screen.