Open Source Mac Screen Savers

Aerial is a free and open-source Mac screen saver based on the new Apple TV screensaver. It features stunning Aerial videos shot over various cities and locations including New York, Hawaii and China; as well as earth videos from the ISS, and the new underwater videos introduced in tvOS 13. New and equally breathtaking videos by Joshua Michaels and Hal Bergman have also been added to version 2.0.0 and later, and you can also add a video of your own! Aerial offers a great set of features, including a fresh new UI that fits just right with macOS Big Sur, but will also suit other macOS versions. Aerial 2 is optimized for macOS Big Sur (macOS 11.x) and macOS Catalina (macOS 10.15) and has been tested to support Apple Silicon.

Relive the nostalgic charm of the iconic bouncing DVD logo with this mesmerizing free screensaver! Watch as the classic logo gracefully glides across your screen, bouncing off the edges in smooth, satisfying motion. This free DVD screensaver features a collection of 8 unique DVD logo designs, randomly selecting one each time it launches. Every viewing experience feels fresh, as the logo starts from a random position and travels in an unpredictable direction. Will it hit the corner? Keep watching to find out! Built with OpenGL technology, this DVD screensaver delivers buttery-smooth animation and crisp visuals regardless of your display configuration. Whether you're running a compact laptop screen or an expansive 4K monitor, the performance remains flawless with no stuttering or frame drops. Looking for a DVD screensaver for Windows that combines nostalgia with modern performance? This hypnotic display creates perfect ambient visuals for any environment.

Aurora Borealis Bliss is a free screensaver that brings the calm beauty of the northern night sky to your PC. Designed to run smoothly on any screen resolution, it fills your display with a deep, star-lit sky and softly animated blue northern lights. As the stars slowly drift across the darkness and the aurora gently moves overhead, your screen becomes a peaceful window into the polar night. Whether on a standard monitor or an ultra-wide display, the animation adapts perfectly, creating an immersive and relaxing atmosphere. Refresh your PC with a new screensaver and enjoy the tranquil motion of the stars and the serene glow of the aurora every time your screen rests.

A 3D matrix screensaver based on The Matrix Reloaded. Supports widescreen setups, and can be run on Windows, Mac OSX, Linux, BSD and many other UNIX based operating systems.

Digital Clock Screen Saver based on a simple Flash effect creates a 3D digital clock that is used as a screen saver. Very light file size and easy to install. Requires Flash 8 or above.

This is a clone of the classic Moire screensaver for the Mac. This clone makes the screensaver available for Mac OS X users rather than just Mac OS 9 and below as currently provided by the original Moire screensaver.

An application I designed with animated fish swimming in a tank. The fish swim with in the window boundaries. If they reach/touch the wall they turn another direction. User can specify the number of fish and the speed. The background image can be swa

Create customized spiral art for wallpapers using your own images. This version is HTML5 based - it runs on most modern browsers. Use the sliders to create just the effect you want or put it in shuffle mode for a screensaver style effect. You can also toggle the user interface on and off. Simply click/touch the camera button to save the current appearance as an image on your device. The rainbow effect requires WebGL and hardware acceleration enabled in your browser.

This is a screensaver for Mac OS X based on the ancient Satori screensaver in After Dark 2.0. It is also very similar to the swirl xlock screensaver.

Stones is a native Cocoa-Mac OS X full-featured editor for the game of Go. It supports SGF and will support XML formats. I also features a unique Go Screen Saver for Mac OS X.

A screensaver that displays an accurate 3D clock when run.

Screensaver module for Mac OS X Leopard that displays an analog clock.

Custom WebBrowser Screensaver is a web browser based screensaver that uses HTML and Javascript to display a video.mp4 file fullscreen in the brower. After you supply a video. It can be used to display a video of your choice given the name video.mp4. After the video is started it can be stopped by moving the mouse or pressing a keyboard button. Full source code and MIT licensing provided.

An OS X screen saver that renders a 3d "perpetual motion" desk toy with up to 10 weighted rings.

Game of Life Screensaver

Watch will monitor mouse and keyboard activity and notify you when you should rest.

Explore procedural worlds on your GPU. Worlds are defined by GLSL programs that map XYZ coordinates to the distance to the nearest surface. Design your own worlds, modify parameters in realtime and render hires videos of your recorded journey.

Angel is a screen saver that shows images available from ZeroConf network (Bonjour). Daemon is an image server that can capture whole screen image automatically.

AutoBrowse - The most creative screensaver of the world! Enter any search-word and any search-engine (default is google.de), and AutoBrowse will surf the net for you. Enioy!

Eye candy showing parallel Conway's Life games in the bit planes of the screen, using boolean BitBlt operations. (Independently rediscovered algorithm given already in Smalltalk-80 Blue Book, by the inventors of BitBlt.)

ChBg2 is desktop background manager which allows you to exchange periodicaly your wallpaper. With same functionality you can use it as simple screensaver or xscreensaver hack. This is the new version ported to Gtk2 and Imlib2 libraries.

Create a cross themed wallpaper by adjusting the sliders then pressing the camera icon. Change background or particle shape. A free live wallpaper version is available for Android via the Play Store ("ColorCross Free".) The video is of that live wallpaper in action. Done in 9 events in Construct 2.

Two programs, one in Java and one in Javascript, which display a configurable graphical countdown timer on a computer. Useful for testing situations and short-range anticipated events.

CruiseSaver is a screen saver for CruiseControl. Each of your CruiseControl projects is represented by a floating orb. Color and labels indicate the projects current build status.

Cubes is yet another OpenGL screen saver. The effect is not unlike psychedelic cubist guts twisting and churning on-screen. Screen savers are always fun, for about a minute and a half.