Browse free open source C# Wallpaper Apps and projects below. Use the toggles on the left to filter open source C# Wallpaper Apps by OS, license, language, programming language, and project status.

  • Outgrown Windows Task Scheduler? Icon
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  • 1
    Dual Monitor Tools

    Dual Monitor Tools

    Tools for Windows users with dual or multiple monitors.

    Tools for Windows users with dual or multiple monitors. Has hotkeys for moving windows around, restrict mouse/cursor movement between screens, application launcher, wallpaper creator and changer and a screen capture tool.
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    Downloads: 4,286 This Week
    Last Update:
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  • 2
    Lively Wallpaper

    Lively Wallpaper

    Open-source software that allows users to set animated desktops

    Free and open-source software that allows users to set animated desktop wallpapers and screensavers. Lively is the only animated desktop wallpaper application that you will need. Its super easy.. barely an inconvenience, just drag & drop the files or webpages to set as wallpaper. Load HTML file or web address as wallpaper. Runs webgl, javascript.. basically anything that works on chrome. Audio Reactive Wallpaper support. Run GLSL shaders in browser. Custom shader renderer (coming soon.) Shadertoy.com urls are supported as wallpaper. Lively supports Windows screensaver. Any wallpaper can be used as a screensaver. Multiple monitors supported. Lively can be controlled with command-line arguments from the terminal. Can be paired with third-party scripting software like AutoHotkey. Easy to use; Just drag'n'drop media files & webpages into lively window to set it as wallpaper. Hardware accelerated video playback, powered by mpv player.
    Downloads: 158 This Week
    Last Update:
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  • 3
    Windows Auto Dark Mode

    Windows Auto Dark Mode

    Automatically switches between the dark and light theme of Windows 10

    Switches between the dark and light theme of Windows at scheduled times. Tired of looking at dark content while the sun is shining brightly? But at night everything is suddenly too bright? Auto Dark Mode is the solution for you! Android, iOS and MacOS already offer the possibility of changing the system design based on the time of the day. We're bringing this feature to Windows on a larger scale. Auto Dark Mode helps you to be more productive. Because you shouldn't care about changing Windows settings several times a day. As soon as the sun goes down, we'll take care of your eyes. Because a simple design change would be too boring, Auto Dark Mode is packed with useful functions. For example, we can also change your desktop wallpaper or run custom scripts. Compatible with Windows 10 and Windows 11. Windows .Theme switch, to also change Accent Color, Slideshow and Mouse Cursor.
    Downloads: 13 This Week
    Last Update:
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  • 4
    Sucrose

    Sucrose

    Sucrose Wallpaper Engine

    Sucrose is a versatile wallpaper engine that brings life to your desktop with a wide range of interactive wallpapers.
    Downloads: 167 This Week
    Last Update:
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  • 5
    Windows 7 Color Changer can assign an unique color for each of your wallpaper. It also can rotate wallpapers just as default theme manager do.
    Downloads: 2 This Week
    Last Update:
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  • 6
    This simple application automatically changes the desktop wallpaper on your desktop periodically according to the users settings. It chooses images from a user specified folder.
    Downloads: 1 This Week
    Last Update:
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  • 7
    Desktop Drapes for Windows
    Desktop Drapes is a wallpaper manager application. It is designed to be simple to use and to stay out of your way.
    Downloads: 1 This Week
    Last Update:
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  • 8
    Wallpaper Website Tool
    A small .NET-based GUI application that generates HTML files to provide image files in various resolutions (e.g. wallpapers). For hobbyist webmasters who know how to copy files to a server, but not how to set up and configure server-side apps.
    Downloads: 1 This Week
    Last Update:
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  • 9
    AwesomeWallpaper

    AwesomeWallpaper

    Plays video, shows images and system info on your desktop wallpaper

    AwesomeWallpaper plays videos, shows images and system information on your desktop wallpaper. Image. Shows an image on your desktop. Gallery. Shows several images on your desktop. Video. Plays a video on your desktop. Web. Allows to view web pages, including youtube in the embed mode. System Information. Shows system information on your desktop as Sysinternals BgInfo tool. Requirements. OS Windows 8.1, 10 .NET Framework 4.6.1
    Downloads: 0 This Week
    Last Update:
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  • Atera - The depth of a full-stack IT platform, with the power of AI. Icon
    Atera - The depth of a full-stack IT platform, with the power of AI.

    Atera introduces your autonomous AI agent - Ensure operational efficiency at any scale with 24/7 autonomous IT support.

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  • 10
    Bing Daily Wallpaper

    Bing Daily Wallpaper

    automatically Change wallpaper daily

    An Android app for Seamlessly update your mobile wallpaper with Bing photos every day available in play sotore https://play.google.com/store/apps/details?id=lk.stechbuzz.bingwallpaper GitHub https://github.com/supunsarachitha/Bing-Daily-Wallpaper
    Downloads: 0 This Week
    Last Update:
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  • 11
    Chris Watson's Desktop Wallpaper Guard

    Chris Watson's Desktop Wallpaper Guard

    Guards against desktop wallpaper being changed.

    This software will detect when another process removes the wallpaper from a Windows desktop and restore an image of the user's choice.
    Downloads: 0 This Week
    Last Update:
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  • 12

    DesktopBeautifier

    Make your Windows Desktop beautiful

    Periodically change your Windows background to a new image from unsplash.com Upcoming Features: -Feedback feature -Bug report feature -Set lock screen background (Windows 8 and up) -Set lock screen background independently of desktop background -Save current wallpaper to new image file -Use images from specific Unsplash user (instead of a category) -Set background style to Span (for multiple monitors) -Option to pause service without fully stopping
    Downloads: 0 This Week
    Last Update:
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  • 13
    EMHWBG
    WE MOVED TO GITHUB! Tool to set and hold wallpaper in unactivated Windows Vista/7 Visit epicm.org and github for latest updates! https://github.com/kasthack/EMHWBG http://ww.epicm.org
    Downloads: 0 This Week
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  • 14
    Flickr Baby is a GUI tool which makes your Desktop Flickr with wallpapers. It gets wallpaper from www.flickr.com and sets them as your wallpaper.
    Downloads: 0 This Week
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  • 15
    FlickrShots is a desktop wallpaper changer for Windows written in C# (and the Flickr.NET api) whose source content is the popular Flickr.com web site.
    Downloads: 0 This Week
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  • 16

    ImgPaper

    Dynamic Wallpapers using Imgur Albums

    This is a windows application, that changes your wallpapers on a timed schedule. It uses the Imgur API to get a list of images in an album, and then picks one at random, and sets it as the new wallpaper.
    Downloads: 0 This Week
    Last Update:
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  • 17

    MultiVirtualDesktop

    Set wallpaper for virtual desktops of Windows 10 multi screen

    With this simple free utility you can choose a different desktop wallpaper for every screen of the new Virtual Desktop feature native in Windows 10. Multi Virtual Desktop is ONLY for Windows 10 !!
    Downloads: 0 This Week
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  • 18
    It's a small program using the .net Framework (originally 3.5) which can modify the wallpaper on windows using DirectX with images and videos. I'm using libvlc (ver:0.8.6i VLC) to play the video.
    Downloads: 0 This Week
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  • 19
    Picturethrill

    Picturethrill

    New Daily Picture on your Desktop

    Downloads Picture of the Day from various sites and sets them as Wallpaper Desktop Background. Currently supported sites: Bing, NASA, National Geographic, and Earth Science. Use wonderful Space, Nature, Science, Places, People, and other pictures as your desktop background wallpaper, or simply enjoy your ever growing collection in image viewer. Other websites can easily be supported as well. Picturethrill is an App that downloads “Pictures of the Day” from sites you select and wallpapers them for you. Fresh pictures everyday!
    Downloads: 0 This Week
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  • 20
    A wallpaper randomizer and changer specifically written for Windows Vista (but has been tested under XP, too). Provides many options for selecting and randomizing wallpapers in Windows.
    Downloads: 0 This Week
    Last Update:
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  • 21
    RandPaper switches your Windows Wallpaper to a random image selected from a location of your choosing when the machine starts up, and/or at regular intervals. It runs silently in the background and can scale images in ways that Windows can't.
    Downloads: 0 This Week
    Last Update:
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  • 22
    A Tool, which changes automatically (or manually) your Desktop Wallpaper and downloads the Wallpaper automatically from a Website with thousands of Wallpapers.
    Downloads: 0 This Week
    Last Update:
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  • 23
    WallSort

    WallSort

    Sorting wallpaper by aspect ratio and/or resolution.

    Sorting wallpaper by aspect ratio and/or resolution. Support aspect and resolution deflection, for example that it is possible picture with resolution 1026x770 copy to pictures 1024x768. Support renaming of files, in case of presence in an assignment folder a file with such name. Removal of empty folders in the end of sorting. Russian and English languages is supported.
    Downloads: 0 This Week
    Last Update:
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  • 24
    Wallcreeper

    Wallcreeper

    Wallpaper manager for Windows

    IMPORTANT NOTICE: This project is now hosted here: https://github.com/Winterstark/Wallcreeper There you can find the latest version, which has some cool new features, like downloading wallpapers from a cloud-based collection, or Flickr. Sets your desktop wallpaper based on the time of day, season, or local weather conditions. For example, you can set up the following wallpaper theme combinations: Spring, Summer - Twilight, Autumn - Cloudy day, Winter - Snowy night. Compatible with Windows Vista/7 wallpaper manager, which means you can still see the fading effect when changing the wallpaper.
    Downloads: 0 This Week
    Last Update:
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  • 25
    Wallflower is a wallpaper changer. Users will be allowed to supply an image directory which the program will work from an display the images in order or randomized.
    Downloads: 0 This Week
    Last Update:
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