For those worrying about yiff party, there is still hope for the site. : Piracy
Work on Yimu3D is currently on-hold, but an alpha version can be downloaded from the Note: This link will sometimes be down for a while ; the project was announced and is hosted on Yiffstar.
Though focusing on furry stories with adult or sexual content, it also had sections for non-sexual fiction and artwork.
For that reason, please work quickly to download any data you want to preserve from the site.