Rose is a screensaver for OS X that creates a variety of colorful, swirly animated images based on trigonometry. Version 2.0 is compatible with OS X 10.9 and 10.10 (and should run on later OS X releases as well). Here's a reduced-size screenshot from Rose — this is the image used to make Rose's icon, obviously:
I originally wrote Rose in 1989 or so, more than 25 years ago. It became a part of the After Dark screensaver package produced by Berkeley Systems, along with Satori and many other modules. After Dark is only a distant memory now, but in collaboration with Infinisys Ltd., I've revived Rose to run again. It's very nice to see code I wrote so long ago running on OS X!
As usual for Stick Software products, Rose has an overengineered configuration panel that lets you control many aspects of its appearance. Here's a snapshot of its config panel:
Rose is freeware (which means you may use it for free, although it is copyrighted). I hope you'll enjoy it, and that you'll take a look at Stick Software's other products! Infinisys has some other After Dark screensavers for sale, too.