label-studio/examples/image_segmentation/config.xml

Data Labeling Tool that is backend agnostic and can be embedded into your applications

<View>
  <Image name="img" value="$image"></Image>
  <BrushLabels name="tag" toName="img">
    <Label value="Planet"></Label>
    <Label value="Moonwalker" background="blue"></Label>
  </BrushLabels>
</View>