Kisko.xyz is a website made by Kisko. It contains all kinds of interesting information and all kinds of things made by Kisko, such as Kiskogram. Additionally you can also find all sorts of random files. Even I don't know where some of them originally came from.
The site was originally opened on May 3rd 2015 as kisko.peeloi.li, and was moved to kisko.xyz on February 5th 2016. Soon after on February 18th the looks and features of the site were updated. HTTPS support was added on May 19th 2016.