I have uploaded a new file with the dhp parallels as well as its json equivalent. Note that these use the new numbering system that is not on SuttaCentral but on Staging. The file now contains over 3500 parallels between the various Dhammapada versions in Pali, Chinese, Sanskrit, Prakrit and Gandari.
Ven. Anandajoti’s work on http://www.ancient-buddhist-texts.net/Buddhist-Texts/K2-Dhammapada-Parallels/index.htm. This includes parallels with various Pali and Sanskrit Suttas, Vinaya and Vbhidhamma texts as well as the Patna and Gandari Dharmapadas .
The work of Ken Yifertw of the Āgama research group: http://yifertwtw.blogspot.be/, which includes parallels of the pali Dhammapada with Taisho T210, T212, T213 and the Sanskrit Udānavarga.
With much gratitude to both for this great contribution to parallel research and for allowing us to use this work on SuttaCentral.
Now it will take some time before these lists are actually visible on SuttaCentral in a meaningful form. We are working hard to restructure our backend.