You can use open source datasets and build tasks in Heartex.Datasets .

For this project we support the following file formats:

{% if 'json' in project.supported_formats %}
• JSON: text files in javascript object notation format
{% endif %} {% if 'csv' in project.supported_formats %}
• CSV: text files with tables in Comma Separated Values format
{% endif %} {% if 'tsv' in project.supported_formats %}
• TSV: text files with tables in Tab Separated Value format
{% endif %} {% if 'txt' in project.supported_formats %}
• TXT: simple text files, similar to CSV with one column and no header, supported if the project config contains one source only
{% endif %}
• ZIP / RAR with one or multiple files inside from the list below, e.g.: "zip archive.zip *.json"
• Import multiple files at once if you need
• Or click here to add a sample task right now.
  
• Read more about import in our documentation