a collection of
free screen savers
for X11, macOS,
iOS and Android

by Jamie Zawinski
and many others.

If any part of the XScreenSaver collection appears to have a bug, I need as much information as possible about what went wrong. Please describe the problem in as much detail as you can.

All versions:

macOS version:

X11 version:

And finally, email your bug report to jwz@jwz.org.

Please try to give it a descriptive subject line! A good subject would be something like "dangerball stops spinning". A bad subject would be "xscreensaver bug".

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