label-studio/examples/html_document/config.xml

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

<View>
  <HyperTextLabels name="ner" toName="text">
    <Label value="Person"></Label>
    <Label value="Organization"></Label>
  </HyperTextLabels>
  <HyperText name="text" value="$text"></HyperText>
</View>