Data Transfer Project is described as 'The Data Transfer Project (DTP) is an open-source initiative which features data portability between multiple online platforms' and is an website. There are 1 alternatives to Data Transfer Project, not only websites but also apps for. The best Data Transfer Project alternative is Google Takeout, which is free.
Google Takeout (Google Takeaway in some languages) is a project by the Google Data Liberation Front that allows users of Google products, such as YouTube and Gmail, to export their data to a downloadable ZIP file.
Google Takeout USES DTP to transfer stuff