https://unprll.cash/ - is a CPU only, actually single core CPU only, algorithm but it is custom for them. They may not share.
in the meantime, seems like there is way to much talk of a algorithm change but not much progress. Which is obvious with the drop in price. This coin is going to be forgotten about if people don't start getting atleast updates on stuff that is happening behind the scenes.
Give them time, this is the only few remaining coins that is CPU only mining.. and development really takes time its not something that can be done in a few days.