iScreensaver Logotype
iScreensaver 5.2 has been released, and provides support for macOS High Sierra 10.13. Please read the 10.13 High Sierra Tech Note as well as the Release Notes. macOS 10.14 Mojave is under investigation, and is not yet recommended.

iScreensaver 4 Personal for Mac

For discussions specific to iScreensaver Personal 4 (available for Macs only via the Mac App Store)